Remove unused coin attributes from finalclass and warpclass

Looks like coins were basically a scrapped mechanic, although I'm not
sure what these attributes were for. I guess counting the number of
coins in each room? But why, when you can just make a function to count
them automatically? Whatever.

desktop_version/src/Finalclass.cpp

@@ -8,7 +8,6 @@ const int* finalclass::loadlevel(int rx, int ry)
 
 	t = rx + (ry * 100);
 	const int* result;
-	coin = 0;
 	rcol = 0;
 	warpx = false;
 	warpy = false;

desktop_version/src/Finalclass.h

@@ -12,7 +12,7 @@ public:
     const int* loadlevel(int rx, int ry);
 
     std::string roomname;
-    int coin, rcol;
+    int rcol;
     bool warpx, warpy;
 };
 

desktop_version/src/Labclass.cpp

@@ -21,7 +21,6 @@ const int* labclass::loadlevel(int rx, int ry)
 
 	t = rx + (ry * 100);
 	const int* result;
-	coin = 0;
 	rcol = 0;
 	roomname = "Untitled room ["+help.String(rx) + "," + help.String(ry)+"]";
 

desktop_version/src/Labclass.h

@@ -12,6 +12,6 @@ public:
     const int* loadlevel(int rx, int ry);
 
     std::string roomname;
-    int coin, rcol;
+    int rcol;
 };
 #endif /* LABCLASS_H */

desktop_version/src/WarpClass.cpp

@@ -13,7 +13,6 @@ const int* warpclass::loadlevel(int rx, int ry)
 
 	t = rx + (ry * 100);
 	const int* result;
-	coin = 0;
 	rcol = 0;
 	warpx = false;
 	warpy = false;

desktop_version/src/WarpClass.h

@@ -11,7 +11,7 @@ class warpclass
 public:
 	const int* loadlevel(int rx, int ry);
 	std::string roomname;
-	int coin, rcol;
+	int rcol;
 	bool warpx, warpy;
 };