Fix Drone CI trigger to allow push events

Remove cron filter that was blocking push events from triggering builds.
The cron filter was applying to all events, not just cron jobs.

.drone.yml

@@ -9,8 +9,6 @@ trigger:
   - cron
   branch:
   - master
-  cron:
-  - nightly
 
 steps:
   - name: Build frontend image
@@ -42,8 +40,6 @@ trigger:
   - cron
   branch:
   - master
-  cron:
-  - nightly
 
 steps:
   - name: Build backend API image
@@ -62,5 +58,3 @@ steps:
     commands:
       - "apk add curl"
       - 'curl -X PATCH https://kubernetes:6443/apis/apps/v1/namespaces/realestate-crawler/deployments/realestate-crawler-api -H "Authorization:Bearer $(cat /var/run/secrets/kubernetes.io/serviceaccount/token)" -H "Content-Type:application/strategic-merge-patch+json" -k -d ''{"spec": {"template": {"metadata": { "annotations": {"kubectl.kubernetes.io/restartedAt": "''$(date +%Y-%m-%dT%TZ)''" }}}}}'' | head'
-
-# Trigger CI test