Delete .travis.yml (#428)

.travis.yml

@@ -1,57 +0,0 @@
-dist: bionic
-language: go
-go:
-  - '1.15'
-git:
-  depth: 1
-
-jobs:
-  include:
-   - arch: amd64
-   # Travis arm64 builds hang indefinitely :(
-   # https://github.com/google/ko/issues/383
-   # - arch: arm64
-   - arch: s390x
-   - arch: ppc64le
-   - arch: mips64le
-
-script:
-  # Make sure ko compiles for the right architecture.
-  - eval $(go env)
-  - go install -mod=vendor ./cmd/ko
-  # Try with all, and GOOS/GOARCH set.
-  - |
-    OUTPUT=$(GOOS=${GOOS} GOARCH=${GOARCH} KO_DOCKER_REPO=ko.local ko publish --platform=all -B ./cmd/ko/test 2>&1)
-    if [[ ! "${OUTPUT}" =~ "cannot use --platform with GOOS=\"${GOOS}\"" ]]; then
-      echo Mismatched output: ${OUTPUT}, wanted: "cannot use --platform with GOOS=\"${GOOS}\""
-      exit 1
-    fi
-
-  # Try with the appropriate platform.
-  - |
-    KO_DOCKER_REPO=ko.local ko publish --platform=${GOOS}/${GOARCH} -B ./cmd/ko/test
-    OUTPUT=$(docker run -i ko.local/test -wait=false 2>&1)
-    if [[ ! "${OUTPUT}" =~ "$(cat ./cmd/ko/test/kodata/kenobi)" ]]; then
-      echo Mismatched output: ${OUTPUT}, wanted: $(cat ./cmd/ko/test/kodata/kenobi)
-      exit 1
-    fi
-    if [[ ! "${OUTPUT}" =~ "$(cat ./cmd/ko/test/kodata/HEAD)" ]]; then
-      echo Mismatched output: ${OUTPUT}, wanted: $(cat ./cmd/ko/test/kodata/HEAD)
-      exit 1
-    fi
-
-  # Try with just GOOS/GOARCH
-  - |
-    GOOS=${GOOS} GOARCH=${GOARCH} KO_DOCKER_REPO=ko.local ko publish -B ./cmd/ko/test
-    OUTPUT=$(docker run -i ko.local/test -wait=false 2>&1)
-    if [[ ! "${OUTPUT}" =~ "$(cat ./cmd/ko/test/kodata/kenobi)" ]]; then
-      echo Mismatched output: ${OUTPUT}, wanted: $(cat ./cmd/ko/test/kodata/kenobi)
-      exit 1
-    fi
-    if [[ ! "${OUTPUT}" =~ "$(cat ./cmd/ko/test/kodata/HEAD)" ]]; then
-      echo Mismatched output: ${OUTPUT}, wanted: $(cat ./cmd/ko/test/kodata/HEAD)
-      exit 1
-    fi
-
-notifications:
-  email: false