Squash deceased layer squashing flag

third_party/WebKit/Source/core/frame/Settings.json5

Index: third_party/WebKit/Source/core/frame/Settings.json5
diff --git a/third_party/WebKit/Source/core/frame/Settings.json5 b/third_party/WebKit/Source/core/frame/Settings.json5
index 7ddfe071f15320eaa06d1f67836580b4e4a2d5de..1cde79f617a50ffe6f0a9ce984667db53ca0dbca 100644
--- a/third_party/WebKit/Source/core/frame/Settings.json5
+++ b/third_party/WebKit/Source/core/frame/Settings.json5
@@ -570,13 +570,6 @@
       initial: false,
     },
 
-    // FIXME: This is a temporary flag and should be removed
-    // when squashing is ready. (crbug.com/261605)
-    {
-      name: "layerSquashingEnabled",
-      initial: false,
-    },
-
     // Clients that execute script should call ScriptController::canExecuteScripts()
     // instead of this function. ScriptController::canExecuteScripts() checks the
     // HTML sandbox, plugin sandboxing, and other important details.