PERF(resources): remove CPU limits - keep memory limits only

- CPU throttling prevents app startup, not crashes
- Memory OOM is the real cascading failure cause
- CPU request ensures fair scheduling

jaejadle-dev/helm-values.yaml

@@ -40,7 +40,6 @@ resources:
     cpu: 15m
   limits:
     memory: 150Mi
-    cpu: 23m
 
 healthCheck:
   enabled: true