Revert of Add options to write version number to registry.

chrome/installer/setup/setup_util.cc

Index: chrome/installer/setup/setup_util.cc
diff --git a/chrome/installer/setup/setup_util.cc b/chrome/installer/setup/setup_util.cc
index 6ac6a3c73f881ea4380a5bc6329db460057339ef..af474401c9709d9dbd29faca40c870ee59937a4a 100644
--- a/chrome/installer/setup/setup_util.cc
+++ b/chrome/installer/setup/setup_util.cc
@@ -629,27 +629,6 @@
   }
 }
 
-base::string16 GuidToSquid(const base::string16& guid) {
-  base::string16 squid;
-  squid.reserve(32);
-  auto input = guid.begin();
-  auto output = std::back_inserter(squid);
-
-  // Reverse-copy relevant characters, skipping separators.
-  std::reverse_copy(input + 0, input + 8, output);
-  std::reverse_copy(input + 9, input + 13, output);
-  std::reverse_copy(input + 14, input + 18, output);
-  std::reverse_copy(input + 19, input + 21, output);
-  std::reverse_copy(input + 21, input + 23, output);
-  std::reverse_copy(input + 24, input + 26, output);
-  std::reverse_copy(input + 26, input + 28, output);
-  std::reverse_copy(input + 28, input + 30, output);
-  std::reverse_copy(input + 30, input + 32, output);
-  std::reverse_copy(input + 32, input + 34, output);
-  std::reverse_copy(input + 34, input + 36, output);
-  return squid;
-}
-
 ScopedTokenPrivilege::ScopedTokenPrivilege(const wchar_t* privilege_name)
     : is_enabled_(false) {
   HANDLE temp_handle;