gkide/zsh-repo-theme is 404, remove

`gkide/zsh-repo-theme` is 404, remove

Signed-off-by: Joe Block <[email protected]>

Author: unixorn

README.md

@@ -2185,7 +2185,6 @@ If you're using [Antigen](https://github.com/zsh-users/antigen), you can test th
 - [rei (eilaluth)](https://github.com/Eilaluth/rei/) - A minimalist theme with current directory and `git` status decorations.
 - [remiii](https://github.com/Remiii/remiii.zsh-theme) - Based on [Agnoster](https://github.com/agnoster/agnoster-zsh-theme), optimized for [solarized](https://github.com/altercation/solarized) terminal themes.
 - [remolueoend](https://github.com/remolueoend/remolueoend.zsh-theme) - Based on [Agnoster](https://github.com/agnoster/agnoster-zsh-theme), using emojis for tracking `git` context. Only works with [Prezto](https://github.com/sorin-ionescu/prezto).
-- [repo](https://github.com/gkide/zsh-repo-theme) - Shows detailed `git` status information
 - [rho](https://github.com/andrejreznik/rho-zsh-theme) - Minimalist theme.
 - [ribbon](https://github.com/pyjamafish/ribbon-prompt) - Reminiscent of powerline. Includes Python `virtualenv` decorator.
 - [rigel](https://github.com/othiagos/rigel-zsh-theme/) - Includes decorators for `git` information, user@hostname and current directory.