fix msi install creation

Author: Stephan Dilly

Makefile

@@ -20,7 +20,6 @@ release-win: build-release
 	mkdir -p release
 	tar -C ./target/release/ -czvf ./release/gitui-win.tar.gz ./gitui.exe
 	cargo install cargo-wix
-	cargo wix init
 	cargo wix --no-build --nocapture --output ./release/gitui.msi
 	ls -l ./release/gitui.msi