Remove SecurityChips experiment and flags

chrome/common/chrome_features.cc

Index: chrome/common/chrome_features.cc
diff --git a/chrome/common/chrome_features.cc b/chrome/common/chrome_features.cc
index 4169a1a8ebe1519e114d03b87e2211081be4daa5..7561fd26601214022d1ccfaf4e5653b2ff9bdea6 100644
--- a/chrome/common/chrome_features.cc
+++ b/chrome/common/chrome_features.cc
@@ -194,12 +194,6 @@ const base::Feature kRunAllFlashInAllowMode{"RunAllFlashInAllowMode",
 const base::Feature kSafeSearchUrlReporting{"SafeSearchUrlReporting",
                                             base::FEATURE_DISABLED_BY_DEFAULT};
 
-#if !defined(OS_ANDROID) && !defined(OS_IOS)
-// Sets the visibility and animation of the security chip.
-const base::Feature kSecurityChip{"SecurityChip",
-                                  base::FEATURE_DISABLED_BY_DEFAULT};
-#endif
-
 // A new user experience for transitioning into fullscreen and mouse pointer
 // lock states.
 const base::Feature kSimplifiedFullscreenUI{"ViewsSimplifiedFullscreenUI",