chore(nushell): remove risky and redundant aliases

nushell/modules/pj_aliases.nu

@@ -19,21 +19,6 @@ export alias moon = curl wttr.in/Moon
 export alias quote = curl https://api.quotable.io/random | from json | get content
 export alias dadjoke = curl -H "Accept: application/json" https://icanhazdadjoke.com/ | from json | get joke
 
-# --- Git ---
-export alias g = git
-
-# --- Navigation & Shell ---
-export alias c = clear
-export def reload [] { exec nu }
-export def edit [] { ^$env.EDITOR ($env.NU_POLYJUICE_PATH | path join 'nu_polyjuice.nu') }
-
-# --- File system ---
-export alias tree = ls **/*
-
-# --- Network ---
-export alias myip = curl -s ifconfig.me
-export def ports [] { ^netstat -ano | lines | where {|row| $row | str contains 'LISTENING'} | str trim }
-
 # --- System ---
 export def df [] {
     if (which ^df | is-not-empty) {