refactor(Pointer): remove helper gameobjects from bezier pointer
refactor(Pointer): remove helper gameobjects from bezier pointer

Previously, temporary helper game objects were created in the
Bezier Pointer script to plot the key positions for the bezier
pointer curve to be established. This is not required as the
destination of the raycast can be used to determine the points
required to polot the bezier curve.

red-horizon/VRTK,pargee/SteamVR_Unity_Toolkit,mattboy64/SteamVR_Unity_Toolkit,virror/VRTK,gpvigano/SteamVR_Unity_Toolkit,thestonefox/SteamVR_Unity_Toolkit,TMaloteaux/SteamVR_Unity_Toolkit,nmccarty/htvr,gpvigano/VRTK,gomez-addams/SteamVR_Unity_Toolkit,Innoactive/IA-unity-VR-toolkit-VRTK,thestonefox/VRTK,Blueteak/SteamVR_Unity_Toolkit,adamjweaver/VRTK,Fulby/VRTK