docs: stop using syntax highlighting for man page code blocks

Some versions of the rst2man convertor are buggy failing to
cope with syntax highlighting in code blocks.

This isn't something we really need for the man page code
blocks, so we can just delete the highlighting directive.
Signed-off-by: NDaniel P. Berrangé <berrange@redhat.com>

docs/manpages/libvirtd.rst

@@ -199,7 +199,7 @@ EXAMPLES
 
 To retrieve the version of libvirtd:
 
-.. code-block:: shell
+.. code-block::
 
   # libvirtd --version
   libvirtd (libvirt) 0.8.2
@@ -207,7 +207,7 @@ To retrieve the version of libvirtd:
 
 To start libvirtd, instructing it to daemonize and create a PID file:
 
-.. code-block:: shell
+.. code-block::
 
   # libvirtd -d
   # ls -la RUNSTATEDIR/libvirtd.pid

docs/manpages/virt-admin.rst

@@ -28,7 +28,7 @@ as for monitoring and managing all clients connected to the daemon.
 
 The basic structure of most virt-admin usage is:
 
-.. code-block:: shell
+.. code-block::
 
    virt-admin [OPTION]... <command> [ARG]...
 
@@ -107,7 +107,7 @@ help
 
 **Syntax:**
 
-.. code-block:: shell
+.. code-block::
 
    help [command-or-group]
 
@@ -124,7 +124,7 @@ quit, exit
 
 **Syntax:**
 
-.. code-block:: shell
+.. code-block::
 
    quit
    exit
@@ -136,7 +136,7 @@ version
 
 **Syntax:**
 
-.. code-block:: shell
+.. code-block::
 
    version
 
@@ -146,7 +146,7 @@ the version of the daemon.
 
 **Example:**
 
-.. code-block:: shell
+.. code-block::
 
    $ virt-admin version
    Compiled against library: libvirt 1.2.21
@@ -160,7 +160,7 @@ cd
 
 **Syntax:**
 
-.. code-block:: shell
+.. code-block::
 
    cd [directory]
 
@@ -175,7 +175,7 @@ pwd
 
 **Syntax:**
 
-.. code-block:: shell
+.. code-block::
 
    pwd
 
@@ -187,7 +187,7 @@ connect
 
 **Syntax:**
 
-.. code-block:: shell
+.. code-block::
 
    connect [URI]
 
@@ -206,7 +206,7 @@ uri
 
 **Syntax:**
 
-.. code-block:: shell
+.. code-block::
 
    uri
 
@@ -230,7 +230,7 @@ server-list
 
 **Syntax:**
 
-.. code-block:: shell
+.. code-block::
 
    server-list
 
@@ -243,7 +243,7 @@ daemon-log-filters
 
 **Syntax:**
 
-.. code-block:: shell
+.. code-block::
 
    daemon-log-filters [--filters string]
 
@@ -264,7 +264,7 @@ space. Each filter must conform to the form described in detail by
 To define a filter which suppresses all e.g. 'virObjectUnref' DEBUG
 messages, use the following:
 
-.. code-block:: shell
+.. code-block::
 
    $ virt-admin daemon-log-filters "4:util.object"
 
@@ -277,7 +277,7 @@ daemon-log-outouts
 
 **Syntax:**
 
-.. code-block:: shell
+.. code-block::
 
    daemon-log-outputs [--outputs string]
 
@@ -298,13 +298,13 @@ space. Each output must conform to the form described in detail by
 To replace the current setting for logging outputs with one that writes to
 a file while logging errors only, the following could be used:
 
-.. code-block:: shell
+.. code-block::
 
    $ virt-admin daemon-log-outputs "4:file:<absolute_path_to_the_file>"
 
 To define multiple outputs at once they need to be delimited by spaces:
 
-.. code-block:: shell
+.. code-block::
 
    $ virt-admin daemon-log-outputs "4:stderr 2:syslog:<msg_ident>"
 
@@ -320,7 +320,7 @@ server-threadpool-info
 
 **Syntax:**
 
-.. code-block:: shell
+.. code-block::
 
    server-threadpool-info server
 
@@ -355,7 +355,7 @@ that, unlike tasks carried out by normal workers, are within libvirt's full
 control and libvirt guarantees that such a task cannot hang, thus will always
 finish. An example of such a task this would be destroying a domain:
 
-.. code-block:: shell
+.. code-block::
 
    $ virsh destroy <domain>.
 
@@ -365,7 +365,7 @@ server-threadpool-set
 
 **Syntax:**
 
-.. code-block:: shell
+.. code-block::
 
    server-threadpool-set server [--min-workers count] [--max-workers count] [--priority-workers count]
 
@@ -394,7 +394,7 @@ server-clients-info
 
 **Syntax:**
 
-.. code-block:: shell
+.. code-block::
 
    server-clients-info server
 
@@ -407,7 +407,7 @@ runtime values, more specifically, the current number of clients connected to
 
 **Example:**
 
-.. code-block:: shell
+.. code-block::
 
    # virt-admin server-clients-info libvirtd
    nclients_max        : 120
@@ -421,7 +421,7 @@ server-clients-set
 
 **Syntax:**
 
-.. code-block:: shell
+.. code-block::
 
    server-clients-set server [--max-clients count] [--max-unauth-clients count]
 
@@ -457,7 +457,7 @@ client-list
 
 **Syntax:**
 
-.. code-block:: shell
+.. code-block::
 
    client-list server
 
@@ -471,7 +471,7 @@ client-info
 
 **Syntax:**
 
-.. code-block:: shell
+.. code-block::
 
    client-info server client
 
@@ -487,7 +487,7 @@ enabled within daemon).
 
 **Examples:**
 
-.. code-block:: shell
+.. code-block::
 
    # virt-admin client-info libvirtd 1
    id             : 1
@@ -513,7 +513,7 @@ client-disconnect
 
 **Syntax:**
 
-.. code-block:: shell
+.. code-block::
 
    client-disconnect server client
 

docs/manpages/virt-login-shell.rst

@@ -29,7 +29,7 @@ configured in ``/etc/libvirt/virt-login-shell.conf``.
 
 The basic structure of most ``virt-login-shell`` usage is:
 
-.. code-block:: shell
+.. code-block::
 
    virt-login-shell
 

docs/manpages/virtlockd.rst

@@ -120,14 +120,14 @@ EXAMPLES
 
 To retrieve the version of ``virtlockd``:
 
-.. code-block:: shell
+.. code-block::
 
   # virtlockd --version
   virtlockd (libvirt) 1.1.1
 
 To start ``virtlockd``, instructing it to daemonize and create a PID file:
 
-.. code-block:: shell
+.. code-block::
 
   # virtlockd -d
   # ls -la RUNSTATEDIR/virtlockd.pid

docs/manpages/virtlogd.rst

@@ -121,14 +121,14 @@ EXAMPLES
 
 To retrieve the version of ``virtlogd``:
 
-.. code-block:: shell
+.. code-block::
 
   # virtlogd --version
   virtlogd (libvirt) 1.1.1
 
 To start ``virtlogd``, instructing it to daemonize and create a PID file:
 
-.. code-block:: shell
+.. code-block::
 
   # virtlogd -d
   # ls -la RUNSTATEDIR/virtlogd.pid