Fix indentation, drop duplicate yum-arch.

contrib/_yum

@@ -106,8 +106,8 @@ _yum()
 	    COMPREPLY=( $( compgen -W '$( _yum_repolist enabled )' -- $cur ) )
 	    ;;
 	--disableexcludes)
-			COMPREPLY=( $( compgen -W '$( _yum_repolist all ) \
-				all main' -- $cur ) )
+	    COMPREPLY=( $( compgen -W '$( _yum_repolist all ) all main' \
+                -- $cur ) )
 	    ;;
 	--enableplugin|--disableplugin)
 	    COMPREPLY=( $( compgen -W '$( _yum_plugins )' -- $cur ))
@@ -149,28 +149,6 @@ _yum()
 } &&
 complete -F _yum $filenames yum
 
-# yum-arch(8) completion
-#
-have yum-arch &&
-_yum_arch()
-{
-	local cur
-	COMPREPLY=()
-	cur=`_get_cword`
-
-	case "$cur" in
-		-*)
-			COMPREPLY=( $( compgen -W '-d -v -vv -n -c -z -s -l -q' -- $cur ) )
-			;;
-		*)
-			_filedir -d
-			;;
-	esac
-
-	return 0
-} &&
-complete -F _yum_arch $filenames yum-arch
-
 # Local variables:
 # mode: shell-script
 # sh-basic-offset: 4