add actions forward decl header (#699)

* add actions forward decl header

* newline

* format

* remove existing fwd declares

* Headers

* replace COMPAT_MODE check

* flip

---------

Co-authored-by: Christian Semmler <mail@csemmler.com>

LEGO1/lego/legoomni/include/hospital.h

@@ -1,6 +1,7 @@
 #ifndef HOSPITAL_H
 #define HOSPITAL_H
 
+#include "actionsfwd.h"
 #include "decomp.h"
 #include "hospitalstate.h"
 #include "legogamestate.h"
@@ -8,15 +9,6 @@
 #include "mxstillpresenter.h"
 #include "radio.h"
 
-namespace HospitalScript
-{
-#ifdef COMPAT_MODE
-enum Script : int;
-#else
-enum Script;
-#endif
-} // namespace HospitalScript
-
 // VTABLE: LEGO1 0x100d9730
 // SIZE 0x12c
 class Hospital : public LegoWorld {