Remove trivial examples in the ItemList class documentation
Remove trivial examples in the ItemList class documentation

See https://github.com/godotengine/godot-docs/issues/4712.

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