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

chrome/installer/mini_installer/BUILD.gn

Index: chrome/installer/mini_installer/BUILD.gn
diff --git a/chrome/installer/mini_installer/BUILD.gn b/chrome/installer/mini_installer/BUILD.gn
index 6994618330ffd14ecc61ed648068b74c817dc827..1e269aa3c9640dca7551f8d01af42ababec5b3bc 100644
--- a/chrome/installer/mini_installer/BUILD.gn
+++ b/chrome/installer/mini_installer/BUILD.gn
@@ -6,8 +6,8 @@
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/config/win/visual_studio_version.gni")
-import("//chrome/process_version_rc_template.gni")
 import("//chrome/test/mini_installer/mini_installer_test.gni")
+import("//chrome/version.gni")
 import("//third_party/icu/config.gni")
 import("//ui/base/ui_features.gni")
 import("//v8/gni/v8.gni")
@@ -51,7 +51,7 @@
   inputs = mini_installer_test_files
 }
 
-process_version_rc_template("version") {
+process_version("version") {
   template_file = "mini_installer_exe_version.rc.version"
   output = "$root_out_dir/mini_installer_exe_version.rc"
 }