chore(ci): remove travis

.travis.yml

@@ -1,35 +0,0 @@
-services:
-- docker
-
-stages:
-- build
-# - test
-- deploy
-
-jobs:
-  include:
-  - name: build-linux-amd64
-    stage: build
-    script: make container-run/bin/linux/amd64/dhdu
-
-  - name: build-linux-arm5
-    stage: build
-    script: make container-run/bin/linux/arm/5/dhdu
-
-  - name: build-linux-arm7
-    stage: build
-    script: make container-run/bin/linux/arm/7/dhdu
-
-  # - name: test-linux-amd64
-  #   stage: test
-  #   script: make container-run/test/unit
-  #   after_script: bash <(curl -s https://codecov.io/bash)
-
-  - name: deploy-container-amd64
-    stage: deploy
-    script: make container-image/push/amd64
-
-notifications:
-  email:
-    on_success: change
-    on_failure: change