Remove CircleCI 1.0 configuration.

circle.yml

@@ -1,20 +0,0 @@
-general:
-    artifacts:
-        - /home/ubuntu/your-app-name/app/build/outputs/apk/
-
-machine:
-    environment:
-        ANDROID_HOME: /usr/local/android-sdk-linux
-
-dependencies:
-    override:
-        - chmod +x gradlew
-        - echo y | android update sdk --no-ui --all --filter tools,platform-tools,build-tools-26.0.2,android-26,extra-google-m2repository,extra-android-m2repository,extra-android-support
-        - ANDROID_HOME=/usr/local/android-sdk-linux ./gradlew dependencies
-
-test:
-    override:
-        - (./gradlew check):
-            timeout: 360
-
-        - cp -r app/build/outputs $CIRCLE_ARTIFACTS