Revert "register RenderingDevice as gdscript singleton"
Revert "register RenderingDevice as gdscript singleton"

This reverts commit 1058a57666cafadbbeeed5a42a72f0e4f627a389.

RenderingDevice is meant to be instantiated in scripts, not a singleton.
This actually doesn't work properly right now, but reduz will fix it.

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