Remove bitbucket-pipelines.yml

bitbucket-pipelines.yml

-pipelines:
-  branches:
-    master:
-      - step:
-          image: ubuntu:14.04
-          script:
-            - sh scripts/build-docker.sh ubuntu
-            - cat transfer.log
-  custom:
-    build-ubuntu:
-      - step:
-          image: ubuntu:14.04
-          script:
-            - sh scripts/build-docker.sh ubuntu
-            - cat transfer.log
-    build-fedora:
-      - step:
-          image: fedora:20
-          script:
-            - sh scripts/build-docker.sh fedora
-            - cat transfer.log
-    build-opensuse:
-      - step:
-          image: opensuse:42.1
-          script:
-            - sh scripts/build-docker.sh opensuse
-            - cat transfer.log
-    build-archlinux:
-      - step:
-          image: base/archlinux:latest
-          script:
-            - sh scripts/build-docker.sh archlinux
-            - cat transfer.log
-    build-snap:
-      - step:
-          image: ubuntu:16.04
-          script:
-            - sh scripts/build-docker.sh snap
-            - cat transfer.log
-    build-appimage:
-      - step:
-          image: ubuntu:14.04
-          script:
-            # Require?: docker run with --cap-add SYS_ADMIN --device /dev/fuse
-            - echo 'appimage build is disabled currently'
-            - exit 1
-            - sh scripts/build-docker.sh appimage
-            - cat transfer.log