core: Remove solana-sdk dependency

[steviez]

Problem

The current code uses limited_deserialize() from solana-sdk:
https://github.com/anza-xyz/solana-sdk/blob/1276772ee61fbd1f8a60cfec7cd553aa4f6a55f3/sdk/src/program_utils.rs#L13-L21
This function doesn't have a limit parameter, and instead hardcodes PACKET_DATA_SIZE as the limit. However, the implementation is actually just a re-export of solana-bincode as shown below:
https://github.com/anza-xyz/solana-sdk/blob/master/program/src/program_utils.rs
So, just update to solana-bincode directly with PACKET_DATA_SIZE set as the limit to maintain existing behavior

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.7%. Comparing base (f3a45e7) to head (4e0c297).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##           master    #6302     +/-   ##
=========================================
- Coverage    82.8%    82.7%   -0.1%     
=========================================
  Files         845      845             
  Lines      377826   377826             
=========================================
- Hits       312851   312665    -186     
- Misses      64975    65161    +186     

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[t-nelson]

cc/ @joncinque