fix lint errors

[roytman]

fix lint errors, remove lint directives

[gyliu513]

@roytman I think we probably need to upgrade ci-lint to same version as IGW, otherwise, the coding works in IGW may not work in kv cache. Here is a fix #439 to upgrade ci lint, after this fixed, I think we can do a cleanup. Comments?

[roytman]

@roytman I think we probably need to upgrade ci-lint to same version as IGW, otherwise, the coding works in IGW may not work in kv cache. Here is a fix #439 to upgrade ci lint, after this fixed, I think we can do a cleanup. Comments?

Yes, we need to upgrade the lint version