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/generic/123

@@ -25,8 +25,6 @@
 
 seq=`basename $0`
 seqres=$RESULT_DIR/$seq
-seqres=$RESULT_DIR/$seq
-seqres=$RESULT_DIR/$seq
 echo "QA output created by $seq"
 
 here=`pwd`
@@ -77,5 +75,4 @@ _user_do "mv $my_test_subdir/data_coherency.txt $my_test_subdir/data_coherency2.
 
 cat $my_test_subdir/data_coherency.txt
 
-
 exit