Remove setup.sh in favor of skyvern CLI (#4737)

tests/test_agent.py

@@ -0,0 +1,8 @@
+from skyvern.forge import app
+from skyvern.forge.forge_app_initializer import start_forge_app
+
+
+def test_dummy_agent() -> None:
+    start_forge_app()
+    print(app.agent)
+    return