refactor: remove PackValue and Convert functions from src/codec/field_codec.h

[frazie]

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)
  fixed issue Remove PackValue and Convert functions from src/codec/field_codec.h #1992

• What is the current behavior? (You can also link to an open issue here)

• What is the new behavior (if this is a feature change)?

[github-actions]

Linux Test Report

       54 files       193 suites   48m 57s ⏱️
  8 953 tests   8 949 ✔️ 4 💤 0 ❌
13 179 runs  13 175 ✔️ 4 💤 0 ❌

Results for commit 6857e6e.

♻️ This comment has been updated with latest results.

[codecov]

Codecov Report

Merging #2015 (6857e6e) into main (855bb52) will decrease coverage by 0.05%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##               main    #2015      +/-   ##
============================================
- Coverage     75.61%   75.55%   -0.06%     
  Complexity      347      347              
============================================
  Files           612      609       -3     
  Lines        116943   116390     -553     
  Branches       1022     1022              
============================================
- Hits          88425    87940     -485     
+ Misses        28309    28241      -68     
  Partials        209      209              

Impacted Files	Coverage Δ
src/codec/field_codec.h	16.66% <ø> (-28.93%)	⬇️
...s/query_response_time/deploy_query_response_time.h	81.25% <0.00%> (-18.75%)	⬇️
hybridse/src/codegen/aggregate_ir_builder.h	95.45% <0.00%> (-4.55%)	⬇️
...atistics/query_response_time/query_response_time.h	78.26% <0.00%> (-4.35%)	⬇️
.../query_response_time/deploy_query_response_time.cc	97.10% <0.00%> (-2.90%)	⬇️
src/sdk/db_sdk.cc	63.45% <0.00%> (-0.90%)	⬇️
hybridse/src/codegen/aggregate_ir_builder.cc	97.05% <0.00%> (-0.15%)	⬇️
src/nameserver/name_server_impl.cc	42.65% <0.00%> (-0.13%)	⬇️
src/tablet/tablet_impl.cc	59.35% <0.00%> (-0.10%)	⬇️
hybridse/src/codegen/fn_let_ir_builder.cc	95.34% <0.00%> (-0.08%)	⬇️
... and 11 more

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[github-actions]

SDK Test Report

  75 files    75 suites   5m 46s ⏱️
163 tests 161 ✔️ 2 💤 0 ❌
204 runs  202 ✔️ 2 💤 0 ❌

Results for commit 6857e6e.

♻️ This comment has been updated with latest results.