Update hip_bugs.md

Remove several out-date links in hip_bugs.md document

docs/markdown/hip_bugs.md

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 # HIP Bugs
 
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-
-- [Can't find kernels inside dynamic linked library](#cant-find-kernels-inside-dynamic-linked-library)
-- [What is the current limitation of HIP Generic Grid Launch method?](#what-is-the-current-limitation-of-hip-generic-grid-launch-method)
-- [Errors related to `no matching constructor`](#errors-related-to-no-matching-constructor)
 - [HIP is more restrictive in enforcing restrictions](#hip-is-more-restrictive-in-enforcing-restrictions)
 
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