Core: remove now unused stuff in Generate.py (#3035)

Generate.py

@@ -21,7 +21,6 @@ from BaseClasses import seeddigits, get_seed, PlandoOptions
 from Main import main as ERmain
 from settings import get_settings
 from Utils import parse_yamls, version_tuple, __version__, tuplize_version
-from worlds.alttp import Options as LttPOptions
 from worlds.alttp.EntranceRandomizer import parse_arguments
 from worlds.alttp.Text import TextTable
 from worlds.AutoWorld import AutoWorldRegister
@@ -311,13 +310,6 @@ def handle_name(name: str, player: int, name_counter: Counter):
     return new_name
 
 
-def prefer_int(input_data: str) -> Union[str, int]:
-    try:
-        return int(input_data)
-    except:
-        return input_data
-
-
 def roll_percentage(percentage: Union[int, float]) -> bool:
     """Roll a percentage chance.
     percentage is expected to be in range [0, 100]"""