Revert "Implemented the Quit button functionality in the GameStartedScreen"

This reverts commit 2364fd831995f9a46e3f73cdb6a830b589c79924.

Revert "Moved the server object and playerslist to seperate Players class"

This reverts commit 259eabde50adf3539b96725fa37e264362d78f98.

Revert "changed the playerList handler from ArrayList to List"

This reverts commit ad0777224e710c0df5f7feb2b04ec76298cbae0e.

Revert "Moved the server object and playerslist to workflow"

This reverts commit 052e1502bb005a374ce546a14e8c7abc7d06d340.
checkout to 7166e8497880eb3e0f1a34577f4202770a791da6 and fixed the quit operation on GameStartedScreen by passing the server and playerlist objects