chore: Fix macos only paths

.config/zsh/main.zsh

@@ -21,4 +21,6 @@ enable-fzf-tab
 source $HOME/.opam/opam-init/init.zsh > /dev/null 2>&1 || true
 
 eval "$(direnv hook zsh)"
-eval "$(/opt/homebrew/bin/brew shellenv)"
+if [[ $(uname) == "Darwin" ]]; then
+    eval "$(/opt/homebrew/bin/brew shellenv)"
+fi

.config/zsh/replacements.zsh

@@ -1,20 +1,8 @@
 # ~/.config/zsh/replacements.zsh
 
-ls() {
-    eza --icons -l --sort type "$@"
-}
+alias ls="eza --icons -l --sort type"
 
-nvim() {
-    /opt/homebrew/bin/nvim --listen /tmp/nvim.pipe "$@"
-}
-
-vim() {
-    /opt/homebrew/bin/nvim --listen /tmp/nvim.pipe "$@"
-}
-
-v() {
-    /opt/homebrew/bin/nvim --listen /tmp/nvim.pipe "$@"
-}
+alias vim="nvim --listen /tmp/nvim.pipe"
 
 alias lg="lazygit"
 alias calcurse-caldav='CALCURSE_CALDAV_PASSWORD=$(keyring get caldav afonso) calcurse-caldav'