Fix HEAD install
Fix HEAD install

`git` is already required for homebrew, no need to have it as a dependency, as it causes errors during install.

The `make build` fails unless running inside of `src/code.gitea.io/gitea` directory, and the resultant binary is not in the `./bin` directory.

Signed-off-by: Rob Prentiss <7e09c9d3e96378bf549fc283fd6e1e5b7014cc33@prentiss.name>

go-gitea/homebrew-gitea