Speed up zsh startup

Signed-off-by: Marcus Noble <github@marcusnoble.co.uk>

home/.dotfiles/giantswarm

@@ -4,4 +4,3 @@ which devctl &>/dev/null && screen -dm bash -c 'devctl version update'
 which kubectl-gs &>/dev/null && screen -dm bash -c 'kubectl-gs selfupdate'
 which opsctl &>/dev/null && opsctl completion zsh > /usr/local/share/zsh/site-functions/_opsctl
 which devctl &>/dev/null && devctl completion zsh > /usr/local/share/zsh/site-functions/_devctl
-rm -f ~/.zcompdump; compinit