chore: remove nvm

Author: steveoh

omz/core.yaml

@@ -29,7 +29,6 @@
           antigen bundle zsh_reload
           antigen bundle zsh-users/zsh-syntax-highlighting
           antigen bundle zsh-users/zsh-autosuggestions
-          antigen bundle lukechilds/zsh-nvm
 
           # antigen theme https://github.com/caiogondim/bullet-train-oh-my-zsh-theme bullet-train
           THEME=caiogondim/bullet-train-oh-my-zsh-theme