Change signature of name function for Action.

libwccl/ops/action.h

@@ -16,7 +16,7 @@ public:
 	/**
 	 * @returns Name of the action.
 	 */
-	virtual std::string name(const Corpus2::Tagset&) const = 0;
+	virtual std::string name() const = 0;
 	/**
 	 * Executes the action for the given execution context.
 	 */