xfstests: cleanup duplicates in all tests

There are duplicate blank lines, comment hash and lines
containing duplicate seqres= declarations, remove them.

Signed-off-by: Rich Johnston <rjohnston@sgi.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>

tests/xfs/030

@@ -25,8 +25,6 @@
 seqfull=$0
 seq=`basename $0`
 seqres=$RESULT_DIR/$seq
-seqres=$RESULT_DIR/$seq
-seqres=$RESULT_DIR/$seq
 echo "QA output created by $seq"
 
 here=`pwd`
@@ -105,7 +103,6 @@ _scratch_mkfs_xfs $DSIZE | _filter_mkfs 2>$tmp.mkfs
 _check_ag 0
 _check_ag -1
 
-
 # success, all done
 status=0
 exit