MSYS and WSL installation improvements (#10593)

util/qmk_install.sh

@@ -7,19 +7,21 @@ case $(uname -a) in
 	*Darwin*)
 		exec "${util_dir}/macos_install.sh"
 	;;
-	*Linux*Microsoft*)
-		exec "${util_dir}/wsl_install.sh"
-	;;
 	*FreeBSD*)
 		exec "${util_dir}/freebsd_install.sh"
 	;;
 	*Linux*)
 		exec "${util_dir}/linux_install.sh"
 	;;
-	MSYS_NT*|MINGW64_NT*|MINGW32_NT*)
+	MINGW64_NT*)
 		exec "${util_dir}/msys2_install.sh"
 	;;
+	MSYS_NT*|MINGW32_NT*)
+		echo "Please open a MinGW 64-bit terminal window and re-run this script."
+		exit 1
+	;;
 	*)
 		echo "Environment not supported. Please see https://docs.qmk.fm for details on how to configure the QMK Firmware build tools manually."
+		exit 1
 	;;
 esac