zsh: remove old aliases

zsh/zshrc

@@ -146,13 +146,9 @@ alias mv='mv -i'
 alias tmux='tmux -2'
 alias mv_p='rsync --progress --remove-source-files -h'
 alias ls='ls --color=auto'
-alias windows='sudo grub-reboot 2;sudo reboot'
-alias youtube='quvi --exec "mplayer %u"'
-alias poweroff='sudo poweroff'
+alias poweroff='systemctl poweroff'
 alias xephyr-dualscreen='Xephyr -ac -br -noreset -screen 800x600 -screen 800x600 :1& sleep 3; DISPLAY=:1; setxkbmap fr bepo'
 alias xephyr-onescreen='Xephyr -ac -br -noreset -screen 800x600 :1& sleep 3; DISPLAY=:1; setxkbmap fr bepo'
-alias reload="pkill -u `id -u` --signal USR1 zsh"
-alias loadkeychain='eval $(/usr/bin/keychain --eval --agents ssh -Q --quiet ~/.ssh/id_rsa)'
 alias be='bundle exec'
 alias git-count="gawk '{ add += \$1 ; subs += \$2 ; loc += \$1 - \$2 } END { printf \"added lines: %s, removed lines : %s, total lines : %s\n\", add, subs, loc }\' -"
 
@@ -197,6 +193,5 @@ function fake_git() {
   GIT_COMMITTER_DATE=$DATE git commit --date=$DATE "$@"
 }
 
-trap "source ~/.zshrc && rehash" USR1
-
-loadkeychain
+source /usr/share/chruby/chruby.sh
+source /usr/share/chruby/auto.sh