added functions

functions/removepath.fish

@@ -0,0 +1,8 @@
+function removepath
+    if set -l index (contains -i $argv[1] $PATH)
+        set --erase --universal fish_user_paths[$index]
+        echo "Updated PATH: $PATH"
+    else
+        echo "$argv[1] not found in PATH: $PATH"
+    end
+end