[llvm] [AMDGPU][test]added remove duplicate options for update_mc_test_check script (PR #111769)

[Brox Chen via llvm-commits]

broxigarchen wrote:

> Could you add a test for sorting with an input that contains some comments.
> 
> Ideally those comments would remaing attached to the line they were on before.

added a `sort_with_comment ` test

The comment within the sameline or within the next continued line will work
`
TESTLINE  // comment

TESTLINE
// coment
// coment
`

For these cases it will not
`
 // comment
TESTLINE

TESTLINE

// coment
`


https://github.com/llvm/llvm-project/pull/111769