Revert of Enable Control Flow Integrity for the official Linux Chrome. Try 6.

build/common.gypi

Index: build/common.gypi
diff --git a/build/common.gypi b/build/common.gypi
index 4fe6f6752914fdd5fffb8316f1dae5dc7221c2c1..b81acbe25aecc1db418a72e93bbbc55600b81629 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -845,13 +845,6 @@
 
         ['buildtype=="Official"', {
           'enable_prod_wallet_service%': 1,
-        }],
-
-        # Enable Control Flow Integrity for the official Linux Chrome.
-        # This triggers an LTO build that requires LLVM Gold plugin to be
-        # downloaded. See src/tools/clang/scripts/update.py
-        ['OS=="linux" and target_arch=="x64" and buildtype=="Official" and branding=="Chrome" and chromeos==0', {
-          'cfi_vptr%': 1,
         }],
 
         # Enable hotwording on Chrome-branded ChromeOS builds.