Renaming Script Contexts

- Determined how the various script contexts were used and renamed accordingly.
- ScriptContext2_Enable/Disable => Lock/UnlockPlayerFieldControls - The sole purpose of the flag is to make sure the player can't move around in the overworld. It has nothing to do with script contexts.
- ScriptContext1 => ScriptContext - It is the global script context used to set up scripts which run over many frames.
- ScriptContext2_RunNewScript => RunScriptImmediately - ScriptContext2's sole purpose was to run scripts immediately and in a separate context, usually while the global context is waiting for things like map loads or screen changes.

src/player_pc.c

@@ -489,13 +489,13 @@ static void PlayerPC_TurnOff(u8 taskId)
     if (sTopMenuNumOptions == NUM_BEDROOM_PC_OPTIONS) // Flimsy way to determine if Bedroom PC is in use
     {
         if (gSaveBlock2Ptr->playerGender == MALE)
-            ScriptContext1_SetupScript(LittlerootTown_BrendansHouse_2F_EventScript_TurnOffPlayerPC);
+            ScriptContext_SetupScript(LittlerootTown_BrendansHouse_2F_EventScript_TurnOffPlayerPC);
         else
-            ScriptContext1_SetupScript(LittlerootTown_MaysHouse_2F_EventScript_TurnOffPlayerPC);
+            ScriptContext_SetupScript(LittlerootTown_MaysHouse_2F_EventScript_TurnOffPlayerPC);
     }
     else
     {
-        EnableBothScriptContexts();
+        ScriptContext_Enable();
     }
     DestroyTask(taskId);
 }