Create functionally equivalent C for handwritten RNG2 functions

src/include/game/game_1291b0.h

@@ -1,10 +0,0 @@
-#ifndef IN_GAME_GAME_1291B0_H
-#define IN_GAME_GAME_1291B0_H
-#include <ultra64.h>
-#include "data.h"
-#include "types.h"
-
-u32 random2(void);
-void rng2SetSeed(u32 seed);
-
-#endif

src/include/game/rng2.h

@@ -0,0 +1,9 @@
+#ifndef IN_GAME_RNG2_H
+#define IN_GAME_RNG2_H
+#include <ultra64.h>
+#include "data.h"
+#include "types.h"
+
+u32 random2(void);
+
+#endif