buildPython*: remove pythonRecompileBytecodeHook as dependency

This hook was added to get reproducible bytecode. Because it was causing
issues it was disabled, but still kept as a dependency. Now the main
issue with bytecode reproducibility has been resolved by updating pip to
20.2.4, we remove this hook as a dependency.

If a package with Python code is not yet reproducible, one could add
this hook to `nativeBuildInputs`.

pkgs/development/interpreters/python/mk-python-derivation.nix

@@ -17,7 +17,6 @@
 , pythonCatchConflictsHook
 , pythonImportsCheckHook
 , pythonNamespacesHook
-, pythonRecompileBytecodeHook
 , pythonRemoveBinBytecodeHook
 , pythonRemoveTestsDirHook
 , setuptoolsBuildHook
@@ -113,7 +112,6 @@ let
       python
       wrapPython
       ensureNewerSourcesForZipFilesHook  # move to wheel installer (pip) or builder (setuptools, flit, ...)?
-      pythonRecompileBytecodeHook  # Remove when solved https://github.com/NixOS/nixpkgs/issues/81441
       pythonRemoveTestsDirHook
     ] ++ lib.optionals catchConflicts [
       setuptools pythonCatchConflictsHook
@@ -167,9 +165,6 @@ let
     # Python packages built through cross-compilation are always for the host platform.
     disallowedReferences = lib.optionals (python.stdenv.hostPlatform != python.stdenv.buildPlatform) [ python.pythonForBuild ];
 
-    # For now, revert recompilation of bytecode.
-    dontUsePythonRecompileBytecode = true;
-
     meta = {
       # default to python's platforms
       platforms = python.meta.platforms;