Revert of gn: Generalize process_version() and move it to build/util

components/version_info/BUILD.gn

Index: components/version_info/BUILD.gn
diff --git a/components/version_info/BUILD.gn b/components/version_info/BUILD.gn
index 5dbee5f87a500437865bc29d354c58145c5a1099..7e0281a285c6b3c808fd910ec406bb86484da684 100644
--- a/components/version_info/BUILD.gn
+++ b/components/version_info/BUILD.gn
@@ -3,8 +3,7 @@
 # found in the LICENSE file.
 
 import("//build/config/chrome_build.gni")
-import("//build/util/process_version.gni")
-import("//chrome/process_version_rc_template.gni")  # For branding_file_path.
+import("//chrome/version.gni")
 
 declare_args() {
   use_unofficial_version_number = !is_chrome_branded
@@ -30,10 +29,5 @@
 
 process_version("generate_version_info") {
   template_file = "version_info_values.h.version"
-  sources = [
-    "//build/util/LASTCHANGE",
-    "//chrome/VERSION",
-    branding_file_path,
-  ]
   output = "$target_gen_dir/version_info_values.h"
 }