Remove unused code in Command class + Cleanup psalm annotations

[vjik]

Q	A
Is bugfix?	❌
New feature?	❌
Breaks BC?	❌
Fixed issues	-

[what-the-diff]

PR Summary

This update entails significant code cleanup across different classes, mainly focusing on removing unused parts of the code, which includes unnecessary comments and docblocks. The key goal of this is to improve the readability and maintainability of the codebase.

• Code Cleanup in Command class
  The Command class has been updated by removing unused code. This makes the class more efficient and streamlined.

• Removal of Unused Comments
  Certain commented lines of code have been removed from AbstractTokenizer.php and JsonExpressionBuilder.php. This simplifies the files and makes them easier to understand.

• Update and Cleanup in Query Building Classes
  Commented docblock parameters and unused variable comments were removed in multiple classes like DMLQueryBuilder.php, DQLQueryBuilder.php and QueryBuilder.php. Also, variable docblocks were updated where necessary, enhancing overall readability and understanding.

• Major Cleanup in Schema class
  The Schema.php class has undergone an extensive cleanup by removing numerous commented-out docblock parameters and updating variable docblocks. This will help clear up any confusion and make the class easier to navigate for future revisions.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (de04d85) 98.42% compared to head (81fd440) 98.42%.
Report is 1 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #281      +/-   ##
============================================
- Coverage     98.42%   98.42%   -0.01%     
+ Complexity      332      330       -2     
============================================
  Files            19       19              
  Lines          1018     1016       -2     
============================================
- Hits           1002     1000       -2     
  Misses           16       16              

Files	Coverage Δ
src/AbstractTokenizer.php	95.77% <ø> (ø)
src/Builder/JsonExpressionBuilder.php	100.00% <ø> (ø)
src/Command.php	98.55% <ø> (-0.05%)	⬇️
src/DMLQueryBuilder.php	100.00% <ø> (ø)
src/DQLQueryBuilder.php	100.00% <ø> (ø)
src/QueryBuilder.php	100.00% <ø> (ø)
src/Schema.php	100.00% <ø> (ø)

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