Remove deprecated methods to BaseYii::class.

[terabytesoftw]

Q	A
Is bugfix?	❌
New feature?	✔️
Breaks BC?	❌

[what-the-diff]

PR Summary

• Removal of method 'trace' from BaseYii.php
  The previous functionality of tracking significance in the code with 'trace' is no longer needed, leading to its removal.
• Deletion of method 'powered' in BaseYii.php
  The 'powered' function has been deemed unnecessary in our current framework, resulting in its removal.
• Elimination of test case for 'powered' in BaseYiiTest.php
  Corresponding to the removal of the 'powered' method, its associated test case has also been deleted from our test suite.

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: +41.53% 🎉

Comparison is base (b0cc791) 25.61% compared to head (1658284) 67.14%.

Additional details and impacted files

@@              Coverage Diff              @@
##                2.2   #19960       +/-   ##
=============================================
+ Coverage     25.61%   67.14%   +41.53%     
+ Complexity    11228    11226        -2     
=============================================
  Files           424      424               
  Lines         35657    35650        -7     
=============================================
+ Hits           9133    23937    +14804     
+ Misses        26524    11713    -14811     

Files Changed	Coverage Δ
framework/BaseYii.php	81.66% <ø> (+18.67%)	⬆️

... and 215 files with indirect coverage changes

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