Remove unused variable 'pause' from Game

Looks like this variable is never used anywhere.

desktop_version/src/Game.cpp

@@ -117,7 +117,6 @@ void Game::init(void)
 {
     mutebutton = 0;
     infocus = true;
-    paused = false;
     muted = false;
     musicmuted = false;
     musicmutebutton = 0;

desktop_version/src/Game.h

@@ -354,8 +354,6 @@ public:
     bool menukludge;
     bool quickrestartkludge;
 
-    bool paused;
-
     //Custom stuff
     std::string customscript[50];
     int customcol;