So i downloaded this mod didn't even use it in my world then i uninstalled the mod so i could install realistic sleeping then i realized sleeping doesn't even change time i uninstalled realistic sleeping and it still didn't work now i have to keep this stupid mod installed in my game just to sleep (just tried fixing it now the sun wont move)

No, the mod doesn't make any permanent changes to the world besides setting the vanilla gamerule doDaylightCycle to 'false', which you can always reset yourself

How do i reset the game rules i just want my survival world to be fixxed

How do i reset the game rules i just want my survival world to be fixxed

"gamerule doDaylightCycle True" in chat in game. You may have to open the world to LAN in the pause menu, make the change, then close the world and log back in.