qemu-iotests: do not include common.rc in "check"

It only provides functions used by the test programs.
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
Reviewed-by: NEric Blake <eblake@redhat.com>
Signed-off-by: NKevin Wolf <kwolf@redhat.com>

tests/qemu-iotests/check

@@ -72,12 +72,6 @@ then
     _init_error "failed to source common.config"
 fi
 
-# we need common.rc
-if ! . "$source_iotests/common.rc"
-then
-    _init_error "failed to source common.rc"
-fi
-
 # we need common
 . "$source_iotests/common"
 

tests/qemu-iotests/common.rc

@@ -40,14 +40,11 @@ poke_file()
     printf "$3" | dd "of=$1" bs=1 "seek=$2" conv=notrunc &>/dev/null
 }
 
-# we need common.config
-if [ "$iam" != "check" ]
-then
-    if ! . ./common.config
-        then
-        echo "$iam: failed to source common.config"
-        exit 1
-    fi
+
+if ! . ./common.config
+    then
+    echo "$iam: failed to source common.config"
+    exit 1
 fi
 
 _qemu_wrapper()