chore: remove stale test files

scripts/lint.gd.uid

@@ -1 +0,0 @@
-uid://cosvmn3gh5bxj

test_mp.gd

@@ -1,4 +0,0 @@
-extends SceneTree
-func _init():
-    print("Testing gauntlet multiplayer")
-    quit()

test_mp.gd.uid

@@ -1 +0,0 @@
-uid://ddniv6k6aj2u

test_ssh.sh

@@ -1,5 +0,0 @@
-#!/usr/bin/expect -f
-spawn ssh admin@193.180.213.215 "ls -la /home/admin/nakama/data/modules/"
-expect "password:"
-send "Mieayamtelur17\r"
-expect eof