Loop Refactor 6/N - Remove Old Predict Loop

[awaelchli]

What does this PR do?

Follow up to #7700
Removes the old file.

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[codecov]

Codecov Report

Merging #8094 (5ec9c61) into master (a45ab00) will decrease coverage by 5%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #8094    +/-   ##
=======================================
- Coverage      92%     87%    -5%     
=======================================
  Files         211     211            
  Lines       13669   13669            
=======================================
- Hits        12538   11896   -642     
- Misses       1131    1773   +642