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/tools/documentation/gtk-doc/default.nix

@@ -68,10 +68,6 @@ python3.pkgs.buildPythonApplication rec {
       --replace "${python3}" ""
   '';
 
-  # find: ‘...-gtk-doc-1.32/lib/python3.8/site-packages’: No such file or directory
-  # https://github.com/NixOS/nixpkgs/pull/90208#issuecomment-644051108
-  dontUsePythonRecompileBytecode = true;
-
   passthru = {
     # Consumers are expected to copy the m4 files to their source tree, let them reuse the patch
     respect_xml_catalog_files_var_patch = ./respect-xml-catalog-files-var.patch;