Fixing team_control_point duplicate warning and crashes on certain gamemodes (#4)

* Update feedback2.sp

Removed the cvars that enabled the grappling hook, as they cause issues with team_control_point entities causing them to be duplicated (don't ask me how)
This only modifies the .sp file, it hasn't been compiled

* Removed the tf_powerup_mode cvar being set to 1

* Re-enabled the grappling hook with Mannpower

Also Atom removing all the unnecessary whitespaces

Author: LeCodex