Revert of [Mac/GN] Fix rebuilds when changing framework_version of a mac_framework_bundle.

build/config/mac/rules.gni

Index: build/config/mac/rules.gni
diff --git a/build/config/mac/rules.gni b/build/config/mac/rules.gni
index 81297eb9a3d396bd5d7c5e2debfcab2cb87bf811..c10cc4b7f940dbefbba18126ee5e8454eca43d77 100644
--- a/build/config/mac/rules.gni
+++ b/build/config/mac/rules.gni
@@ -258,13 +258,11 @@
   # the versioned directory structure.
   _framework_target = _target_name
   _framework_name = _output_name + ".framework"
-  _framework_base_dir = "$root_out_dir/$_framework_name"
+  _framework_root_dir = "$root_out_dir/$_framework_name"
   if (defined(invoker.framework_version) && invoker.framework_version != "") {
     _framework_version = invoker.framework_version
-    _framework_root_dir = _framework_base_dir + "/Versions/$_framework_version"
+    _framework_root_dir += "/Versions/$_framework_version"
     _framework_target = _target_name + "_create_bundle"
-  } else {
-    _framework_root_dir = _framework_base_dir
   }
 
   _link_shared_library_target = target_name + "_shared_library"
@@ -303,19 +301,6 @@
       ":$_link_shared_library_target",
     ]
   }
-
-  # Clean the entire framework if the framework_version changes.
-  _version_arg = ""
-  if (defined(_framework_version)) {
-    _version_arg = _framework_version
-  }
-  _version_file = "$target_out_dir/${target_name}_version"
-  exec_script("//build/config/mac/prepare_framework_version.py",
-              [
-                rebase_path(_version_file),
-                rebase_path(_framework_base_dir),
-                "'$_version_arg'",
-              ])
 
   _framework_public_config = _target_name + "_public_config"
   config(_framework_public_config) {