Clean up Viewport, remove dead code.
Clean up Viewport, remove dead code.

vkbsb/godot,Faless/godot,pkowal1982/godot,sanikoyes/godot,sanikoyes/godot,Shockblast/godot,akien-mga/godot,Shockblast/godot,Zylann/godot,akien-mga/godot,guilhermefelipecgs/godot,akien-mga/godot,josempans/godot,ZuBsPaCe/godot,BastiaanOlij/godot,Shockblast/godot,Shockblast/godot,Valentactive/godot,godotengine/godot,Zylann/godot,pkowal1982/godot,DmitriySalnikov/godot,vnen/godot,firefly2442/godot,Faless/godot,Valentactive/godot,akien-mga/godot,vnen/godot,vnen/godot,godotengine/godot,sanikoyes/godot,pkowal1982/godot,sanikoyes/godot,guilhermefelipecgs/godot,vkbsb/godot,sanikoyes/godot,pkowal1982/godot,vkbsb/godot,godotengine/godot,BastiaanOlij/godot,akien-mga/godot,Valentactive/godot,Valentactive/godot,ZuBsPaCe/godot,ZuBsPaCe/godot,sanikoyes/godot,Valentactive/godot,vkbsb/godot,josempans/godot,godotengine/godot,Faless/godot,pkowal1982/godot,firefly2442/godot,DmitriySalnikov/godot,ZuBsPaCe/godot,guilhermefelipecgs/godot,Zylann/godot,ZuBsPaCe/godot,ZuBsPaCe/godot,firefly2442/godot,josempans/godot,josempans/godot,sanikoyes/godot,josempans/godot,guilhermefelipecgs/godot,vkbsb/godot,firefly2442/godot,josempans/godot,vkbsb/godot,josempans/godot,guilhermefelipecgs/godot,Faless/godot,Zylann/godot,vnen/godot,BastiaanOlij/godot,BastiaanOlij/godot,Shockblast/godot,josempans/godot,BastiaanOlij/godot,pkowal1982/godot,pkowal1982/godot,Faless/godot,guilhermefelipecgs/godot,akien-mga/godot,ZuBsPaCe/godot,Zylann/godot,akien-mga/godot,DmitriySalnikov/godot,Shockblast/godot,vkbsb/godot,ZuBsPaCe/godot,BastiaanOlij/godot,Zylann/godot,godotengine/godot,Faless/godot,godotengine/godot,Faless/godot,firefly2442/godot,Shockblast/godot,BastiaanOlij/godot,vnen/godot,DmitriySalnikov/godot,Shockblast/godot,firefly2442/godot,godotengine/godot,pkowal1982/godot,BastiaanOlij/godot,DmitriySalnikov/godot,vnen/godot,vkbsb/godot,firefly2442/godot,Zylann/godot,Zylann/godot,guilhermefelipecgs/godot,vnen/godot,DmitriySalnikov/godot,Valentactive/godot,sanikoyes/godot,guilhermefelipecgs/godot,akien-mga/godot,vnen/godot,DmitriySalnikov/godot,godotengine/godot,Valentactive/godot,Valentactive/godot,firefly2442/godot,Faless/godot