[zsh] More m1 improvements

zsh/.zshrc

@@ -2,15 +2,6 @@
 # Initialization code that may require console input (password prompts, [y/n]
 # confirmations, etc.) must go above this block; everything else may go below.
 
-ARCH=`uname -m`
-if [[ $ARCH == "arm64" ]]; then
-    PREFIX="/opt/homebrew"
-else
-    PREFIX="/usr/local"
-fi
-
-export PATH="$HOME/.local/bin:$PREFIX/bin:$PATH"
-
 [[ -f ~/.zsh/.powerline_config ]] && source ~/.zsh/.powerline_config
 [[ -f ~/.zsh/.user_config ]] && source ~/.zsh/.user_config
 [[ -f ~/.zsh/.virtual_env_config.zsh ]] && source ~/.zsh/.virtual_env_config.zsh