Remove redundant code

Token type of operator tokens after `func` or "operator" is always
identifier. See `swift-mode:fix-operator-type` for details.

Author: taku0

swift-mode-beginning-of-defun.el

@@ -1442,7 +1442,7 @@ of ancestors."
 
         ;; Ignored: "import" "get" "set" "willSet" "didSet"
         (t nil))))
-    (if (memq (swift-mode:token:type name-token) '(identifier operator))
+    (if (eq (swift-mode:token:type name-token) identifier)
         name-token
       nil)))
 

swift-mode-lexer.el

@@ -632,8 +632,7 @@ Return nil otherwise."
              ;; FIXME: mutual dependency
              (progn (swift-mode:try-backward-generic-parameters) (point)))
          (swift-mode:function-parameter-clause-p)))
-       ((or (eq previous-type 'operator)
-            (eq previous-type 'identifier))
+       ((eq previous-type 'identifier)
         (equal (swift-mode:token:text (swift-mode:backward-token-simple))
                "func"))
        (t nil)))))