Auto merge of #42113 - segevfiner:fix-ole32-warning, r=petrochenkov
Auto merge of #42113 - segevfiner:fix-ole32-warning, r=petrochenkov

Fix: "warning: redundant linker flag specified for library `ole32`"

llvm-config seems to output this library name correctly now, removing
the need for the hack in "librustc_llvm/build.rs".

graydon/rust,GBGamer/rust,GBGamer/rust,GBGamer/rust,graydon/rust,aidancully/rust,GBGamer/rust,GBGamer/rust,GBGamer/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,GBGamer/rust,graydon/rust,aidancully/rust,GBGamer/rust,graydon/rust