[I] Rethink `USE_ALIGNED_ACCESS` macro in kvrocks code [kvrocks]

["mapleFU (via GitHub)" <gi...@apache.org>]

mapleFU opened a new issue, #2261:
URL: https://github.com/apache/kvrocks/issues/2261

   ### Search before asking
   
   - [X] I had searched in the [issues](https://github.com/apache/kvrocks/issues) and found no similar issues.
   
   
   ### Motivation
   
   Redis uses `USE_ALIGNED_ACCESS` and check memory aligned in it's code:
   1. For archs like ARM, memory access should be "aligned".
   2. For arch like x86, it can use some code to do optimizations
   
   This code leaves lots of ad-hoc optimizations in kvrocks. I think we need to check our compiler supports, does this really provides any optimizations
   
   ### Solution
   
   1. Checks `USE_ALIGNED_ACCESS` in code with compiler versions
   2. Remove them if no really optimizations
   
   ### Are you willing to submit a PR?
   
   - [X] I'm willing to submit a PR!


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