mayaegg: Fix animations not being created during egg traversal

[darktohka]

Issue description

The maya2egg utilities do not convert any animations from the EGG format back to the Maya format when used.

This even happens when the "-a" flag is provided to enable animation translations.

Solution description

This is a regression that was introduced by the commit 7543449.

Simply put, a debug print function was removed, but to prevent a compiler warning because of an unused variable, the "GetAnim" method was also removed.

But this is the method that creates the animation entry in the table in the first place!

I've reintroduced this piece of code, and now animations are now converted back to the Maya format correctly.

I've also silenced another compiler warning.

Checklist

I have done my best to ensure that…

• …I have familiarized myself with the CONTRIBUTING.md file
• …this change follows the coding style and design patterns of the codebase
• …I own the intellectual property rights to this code
• …the intent of this change is clearly explained
• …existing uses of the Panda3D API are not broken
• …the changed code is adequately covered by the test suite, where possible.

[rdb]

Whoops, who knew carelessly commenting out code to squelch warning messages could be a bad idea?

Thanks a lot for catching this!

[codecov]

Codecov Report

Merging #1004 into master will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1004      +/-   ##
==========================================
+ Coverage   15.11%   15.13%   +0.02%     
==========================================
  Files        3704     3704              
  Lines      356367   356377      +10     
==========================================
+ Hits        53855    53950      +95     
+ Misses     302512   302427      -85     

Impacted Files	Coverage Δ
panda/src/pgraph/lightAttrib.cxx	33.33% <0.00%> (-0.18%)	⬇️
panda/src/putil/bamCache.cxx	34.45% <0.00%> (+0.17%)	⬆️
panda/src/putil/uniqueIdAllocator.cxx	76.00% <0.00%> (+76.00%)	⬆️

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