fix: Removing npmrc (just not used), updating zshrc to remove

zsh-syntax-highlighting references and disabling keychain for now,
adding a TODO to the deploy script for wezterm local config

deploy.sh

@@ -17,7 +17,7 @@ declare -A configs=(
     ["nvim/snippets"]="$HOME/.config/nvim/"
     ["tmux.conf"]="$HOME/.tmux.conf"
     ["wezterm.lua"]="$HOME/.config/wezterm/wezterm.lua"
-    # ["wezterm.local_linux.lua"]="$HOME/.config/wezterm/local.lua"
+    # ["wezterm.local_linux.lua"]="$HOME/.config/wezterm/local.lua" # TODO: switch contents to elsewhere, be aware of OS, or refactor elsewise
     ["npmrc"]="$HOME/.npmrc"
 )