Fix: remove invalid config keys (safetySettings and trustedProxies)

Dockerfile

@@ -64,7 +64,6 @@ if [ ! -f /root/.openclaw/openclaw.json ]; then\n\
     "mode": "local",\n\
     "bind": "lan",\n\
     "port": 7860,\n\
-    "trustedProxies": true,\n\
     "auth": {\n\
       "mode": "password",\n\
       "password": "${SETUP_PASSWORD}"\n\
@@ -76,13 +75,7 @@ if [ ! -f /root/.openclaw/openclaw.json ]; then\n\
   "agents": {\n\
     "defaults": {\n\
       "model": {\n\
-        "primary": "google/gemini-2.5-pro",\n\
-        "safetySettings": [\n\
-            { "category": "HARM_CATEGORY_HARASSMENT", "threshold": "BLOCK_NONE" },\n\
-            { "category": "HARM_CATEGORY_HATE_SPEECH", "threshold": "BLOCK_NONE" },\n\
-            { "category": "HARM_CATEGORY_SEXUALLY_EXPLICIT", "threshold": "BLOCK_NONE" },\n\
-            { "category": "HARM_CATEGORY_DANGEROUS_CONTENT", "threshold": "BLOCK_NONE" }\n\
-        ]\n\
+        "primary": "google/gemini-2.5-pro"\n\
       }\n\
     }\n\
   }\n\