[Fix-Warnings] Remove more redundant empty declarations. (extra semicolons) (#6374)

libcockatrice_network/libcockatrice/network/server/local/local_server_interface.h

@@ -25,7 +25,7 @@ public:
     QString getConnectionType() const override
     {
         return "local";
-    };
+    }
     void transmitProtocolItem(const ServerMessage &item) override;
 signals:
     void itemToClient(const ServerMessage &item);

libcockatrice_network/libcockatrice/network/server/remote/game/server_abstract_participant.h

@@ -76,7 +76,7 @@ public:
     virtual void prepareDestroy()
     {
         removeFromGame();
-    };
+    }
     void removeFromGame();
     Server_AbstractUserInterface *getUserInterface() const
     {

libcockatrice_network/libcockatrice/network/server/remote/server_database_interface.h

@@ -83,7 +83,7 @@ public:
     virtual bool usernameIsValid(const QString & /*userName */, QString & /* error */)
     {
         return true;
-    };
+    }
 public slots:
     virtual void endSession(qint64 /* sessionId */)
     {
@@ -154,16 +154,16 @@ public:
                                    int & /* banSecondsRemaining */)
     {
         return false;
-    };
+    }
     virtual int checkNumberOfUserAccounts(const QString & /* email */)
     {
         return 0;
-    };
+    }
     virtual bool
     changeUserPassword(const QString & /* user */, const QString & /* password */, bool /* passwordNeedsHash */)
     {
         return false;
-    };
+    }
     virtual bool changeUserPassword(const QString & /* user */,
                                     const QString & /* oldPassword */,
                                     bool /* oldPasswordNeedsHash */,
@@ -171,7 +171,7 @@ public:
                                     bool /* newPasswordNeedsHash */)
     {
         return false;
-    };
+    }
 };
 
 #endif