centos7: remove unnecessary python file

This will remove following files

* /root/rpmbuild/BUILDROOT/fluent-package-5.2.0-1.el7.x86_64/opt/fluent/lib/ruby/gems/3.2.0/gems/ffi-1.17.0/ext/ffi_c/libffi/generate-darwin-source-and-headers.py
* /root/rpmbuild/BUILDROOT/fluent-package-5.2.0-1.el7.x86_64/opt/fluent/lib/ruby/gems/3.2.0/gems/ffi-1.17.0/ext/ffi_c/libffi/testsuite/emscripten/test_libffi.py
* /root/rpmbuild/BUILDROOT/fluent-package-5.2.0-1.el7.x86_64/opt/fluent/lib/ruby/gems/3.2.0/gems/ffi-1.17.0/ext/ffi_c/libffi/testsuite/emscripten/conftest.py

Signed-off-by: Shizuo Fujita <[email protected]>

Author: Watson1978

fluent-package/Rakefile

@@ -1147,6 +1147,10 @@ class BuildTask
         rm_f(static_library)
       end
     end
+    Dir.glob("#{fluent_package_staging_dir}/**/libffi/**/*.py").each do |python_file|
+      # Remove unnecessary python file to avoid error in brp-python-bytecompile on CentOS 7
+      remove_files(python_file)
+    end
     Dir.glob("#{fluent_package_staging_dir}/**/.git").each do |git_dir|
       remove_files(git_dir, true)
     end