Remove Finch kill switch for PSL matching

components/password_manager/core/browser/psl_matching_helper.h

Index: components/password_manager/core/browser/psl_matching_helper.h
diff --git a/components/password_manager/core/browser/psl_matching_helper.h b/components/password_manager/core/browser/psl_matching_helper.h
index 7213e061dcd170871d80d921911210e149082c16..6c268ab5a601275ad754c06ecc694389313d5c58 100644
--- a/components/password_manager/core/browser/psl_matching_helper.h
+++ b/components/password_manager/core/browser/psl_matching_helper.h
@@ -32,8 +32,6 @@ class PSLMatchingHelper {
   PSLMatchingHelper();
   ~PSLMatchingHelper();
 
-  bool IsMatchingEnabled() const;
-
   // Using the public suffix list for matching the origin is only needed for
   // websites that do not have a single hostname for entering credentials. It
   // would be better for their users if they did, but until then we help them
@@ -58,19 +56,7 @@ class PSLMatchingHelper {
   // registry-controlled domain part.
   static std::string GetRegistryControlledDomain(const GURL& signon_realm);
 
-  // This overrides both the command line flags and platform restrictions. This
-  // function is not thread safe, and should be called before any other methods
-  // of |PSLMatchingHelper| are called.
-  static void EnablePublicSuffixDomainMatchingForTesting();
-
  private:
-  static bool DeterminePSLEnabled();
-
-  const bool psl_enabled_;
-
-  // Default is false, once set to true, overrides |psl_enabled_|.
-  static bool psl_enabled_override_;
-
   DISALLOW_COPY_AND_ASSIGN(PSLMatchingHelper);
 };