vz: remove drivername field from vzConn structure

No need to remember connection name and have corresponding
domain type to keep backward compatibility with former
'parallels' driver. It is enough to be able to accept 'parallels'
uri and domain types.
Signed-off-by: NMaxim Nestratov <mnestratov@virtuozzo.com>

src/vz/vz_driver.c

@@ -228,8 +228,6 @@ vzOpenDefault(virConnectPtr conn)
         goto err_free;
     }
 
-    privconn->drivername = conn->driver->name;
-
     if (prlsdkInit()) {
         VIR_DEBUG("%s", _("Can't initialize Parallels SDK"));
         goto err_free;

src/vz/vz_utils.c

@@ -178,10 +178,7 @@ vzNewDomain(vzConnPtr privconn, char *name, const unsigned char *uuid)
     pdom->cache.stats = PRL_INVALID_HANDLE;
     pdom->cache.count = -1;
 
-    if (STREQ(privconn->drivername, "vz"))
-        def->virtType = VIR_DOMAIN_VIRT_VZ;
-    else
-        def->virtType = VIR_DOMAIN_VIRT_PARALLELS;
+    def->virtType = VIR_DOMAIN_VIRT_VZ;
 
     if (!(dom = virDomainObjListAdd(privconn->domains, def,
                                     privconn->xmlopt,

src/vz/vz_utils.h

@@ -70,7 +70,6 @@ struct _vzConn {
     virCapsPtr caps;
     virDomainXMLOptionPtr xmlopt;
     virObjectEventStatePtr domainEventState;
-    const char *drivername;
     /* Immutable pointer, self-locking APIs */
     virConnectCloseCallbackDataPtr closeCallback;
     unsigned long vzVersion;