[SYCL][NFC] Drop leftover host device symbols#20172

AlexeySachkov merged 3 commits intointel:syclintel/llvm:syclfrom

AlexeySachkov:private/asachkov/drop-__spirv_-funcs-from-the-libraryAlexeySachkov/llvm:private/asachkov/drop-__spirv_-funcs-from-the-libraryCopy head branch name to clipboard