Remove unused function GetHostPath from filesystems

Core/FileSystems/BlobFileSystem.cpp

@@ -128,11 +128,6 @@ bool BlobFileSystem::RemoveFile(const std::string &filename) {
 	return false;
 }
 
-bool BlobFileSystem::GetHostPath(const std::string &inpath, Path &outpath) {
-	outpath = fileLoader_->GetPath();
-	return true;
-}
-
 u64 BlobFileSystem::FreeSpace(const std::string &path) {
 	return 0;
 }