Fix small typo in LightmapGI class reference
Fix small typo in LightmapGI class reference

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