Uplift of #4318 (squashed) to beta

Author: brave-browser-releases

app/brave_main_delegate.cc

@@ -144,10 +144,6 @@ bool BraveMainDelegate::BasicStartupComplete(int* exit_code) {
       switches::kExtensionContentVerificationEnforceStrict);
   command_line.AppendSwitchASCII(switches::kExtensionsInstallVerification,
       "enforce");
-  // Otherwise BaseMark Web 3.0 suffers and it seems to be highly enabled
-  // by field trials in Chrome.
-  command_line.AppendSwitchASCII(switches::kEnableOopRasterization,
-      "Enabled");
 
   // Brave's sync protocol does not use the sync service url
   command_line.AppendSwitchASCII(switches::kSyncServiceURL,