Fix camera structs being swapped

`camera_process_class` and `camera_class` were swapped according to TP's RTTI info.

include/d/actor/d_a_fganon.h

@@ -6,14 +6,6 @@
 #include "d/d_bg_s_acch.h"
 #include "d/d_particle.h"
 
-class camera_class;
-class mant_class;
-class daBoko_c;
-class daPy_py_c;
-class mDoExt_McaMorf;
-class mDoExt_brkAnm;
-class mDoExt_btkAnm;
-
 class fganon_class {
 public:
     /* 0x000 */ fopEn_enemy_c actor;

include/d/actor/d_a_ship.h

@@ -9,7 +9,7 @@
 #include "SSystem/SComponent/c_phase.h"
 #include "f_op/f_op_msg.h"
 
-class camera_class;
+class camera_process_class;
 class daGrid_c;
 class daTornado_c;
 class daPy_FLG1;