Replace redundant calls to compinit with a single call.

plugins/brew/brew.plugin.zsh

@@ -1,4 +1,2 @@
 # add brew completion function to path
 fpath=($ZSH/plugins/brew $fpath)
-autoload -U compinit
-compinit -i

plugins/cpanm/cpanm.plugin.zsh

@@ -1,4 +1,2 @@
 # add cpanm completion function to path
 fpath=($ZSH/plugins/cpanm $fpath)
-autoload -U compinit
-compinit -i

plugins/gem/gem.plugin.zsh

@@ -1,4 +1,2 @@
 # add gem completion function to path
 fpath=($ZSH/plugins/gem $fpath)
-autoload -U compinit
-compinit -i

plugins/github/github.plugin.zsh

@@ -1,4 +1,2 @@
 # add github completion function to path
 fpath=($ZSH/plugins/github $fpath)
-autoload -U compinit
-compinit -i

plugins/macports/macports.plugin.zsh

@@ -8,5 +8,3 @@ alias pup="psu && puo"
 
 # add macports completion function to path
 fpath=($ZSH/plugins/macports $fpath)
-autoload -U compinit
-compinit -i

plugins/pip/pip.plugin.zsh

@@ -1,4 +1,2 @@
 # add brew completion function to path
 fpath=($ZSH/plugins/pip $fpath)
-autoload -U compinit
-compinit -i

plugins/vagrant/vagrant.plugin.zsh

@@ -1,3 +1 @@
 fpath=($ZSH/plugins/vagrant $fpath)
-autoload -U compinit
-compinit -i