CI fix

.drone.yml

@@ -7,6 +7,13 @@ platform:
   os: linux
   arch: amd64
 
+trigger:
+  branch:
+    - master
+  event:
+    exclude:
+      - pull_request
+
 steps:
   - name: build
     commands:
@@ -15,13 +22,7 @@ steps:
   - name: install
     commands:
       - make install
-    when:
-      branch:
-        - master
 
   - name: restart
     commands:
       - systemctl restart craft-bot
-    when:
-      branch:
-        - master