ima_violations.sh: Some cleanup

* Use 'test_resm' instead of 'tst_res'.

* Use '$()' instead of '``'.

* Delete 'TST_COUNT' which has been defined in 'test.sh'.

* Delete some unuseful comments.

* Some cleanup.

Signed-off-by: Zeng Linggang <zenglg.jy@cn.fujitsu.com>
1 file changed