Fixed bug with prototype level not clearing.

src/main/engine/outrun.cpp

@@ -908,6 +908,5 @@ void Outrun::select_course(bool jap, bool prototype)
     }
 
     // Use Prototype Coconut Beach Track
-    if (prototype)
-        oinitengine.stage_data[0] = 0x3A;
+    oinitengine.stage_data[0] = prototype ? 0x3A : 0x3C; 
 }
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