remove drone

.drone.yml

@@ -1,25 +0,0 @@
-kind: pipeline
-type: kubernetes
-name: build-apk
-
-clone:
-  depth: 1
-
-steps:
-  - name: build
-    image: cirrusci/flutter:stable
-    pull: true
-    commands:
-      - flutter packages get
-      - flutter build apk --release --split-per-abi
-      - mkdir apks
-      - mv build/app/outputs/apk/*/*/*.apk apks
-
-  - name: Publish APK
-    image: plugins/gitea-release
-    settings:
-      api_key:
-        from_secret: GITEA_TOKEN
-trigger:
-  event:
-    - push