feat: remove property

Author: Angular2Guy

backend/src/main/resources/application-ollama.properties

@@ -1,4 +1,3 @@
 spring.ai.ollama.base-url=${OLLAMA-BASE-URL:http://localhost:11434}
 spring.ai.ollama.chat.options.model=samantha-mistral:7b
-spring.mvc.async.request-timeout=180000
-spring.ai.use-chatmemory=true
+spring.mvc.async.request-timeout=180000