use forest enum values instead of magic numbers (#2038)

soh/src/code/z_sram.c

@@ -372,15 +372,15 @@ void Sram_InitSave(FileChooseContext* fileChooseCtx) {
 
         int openForest = Randomizer_GetSettingValue(RSK_FOREST);
         switch (openForest) {
-            case 0: // closed
+            case RO_FOREST_CLOSED:
                 break;
-            case 1: // open
+            case RO_FOREST_CLOSED_DEKU:
+                Flags_SetEventChkInf(7);
+                break;
+            case RO_FOREST_OPEN:
                 Flags_SetEventChkInf(7);
                 gSaveContext.eventChkInf[0] |= 0x10;
                 break;
-            case 2: // closed deku
-                Flags_SetEventChkInf(7);
-                break;
         }
 
         int startingAge = Randomizer_GetSettingValue(RSK_STARTING_AGE);

soh/src/overlays/actors/ovl_En_Md/z_en_md.c

@@ -487,7 +487,6 @@ u8 EnMd_ShouldSpawn(EnMd* this, PlayState* play) {
             // if we have beaten deku tree or have open forest turned on
             // or have already shown mido we have an equipped sword/shield
             if (Flags_GetRandomizerInf(RAND_INF_DUNGEONS_DONE_DEKU_TREE) ||
-                Randomizer_GetSettingValue(RSK_FOREST) == 1 ||
                 gSaveContext.eventChkInf[0] & 0x10) {
                 return 0;
             }