ci: Remove all travis ci related staffs (solana-labs#912)

Signed-off-by: Xuanwo <github@xuanwo.io>

Cargo.toml

@@ -125,7 +125,6 @@ members = [
 
 exclude = ["programs/sbf", "svm/tests/example-programs"]
 
-# This prevents a Travis CI error when building for Windows.
 resolver = "2"
 
 [workspace.package]

ci/buildkite-pipeline-in-disk.sh

@@ -281,7 +281,7 @@ pull_or_push_steps() {
     all_test_steps
   fi
 
-  # docs changes run on Travis or Github actions...
+  # docs changes run on Github actions...
 }
 
 

ci/buildkite-pipeline.sh

@@ -308,7 +308,7 @@ pull_or_push_steps() {
     all_test_steps
   fi
 
-  # docs changes run on Travis or Github actions...
+  # docs changes run on Github actions...
 }
 
 

ci/buildkite-solana-private.sh

@@ -261,7 +261,7 @@ pull_or_push_steps() {
     all_test_steps
   fi
 
-  # docs changes run on Travis or Github actions...
+  # docs changes run on Github actions...
 }
 
 

ci/env.sh

@@ -6,21 +6,7 @@
 
 if [[ -n $CI ]]; then
   export CI=1
-  if [[ -n $TRAVIS ]]; then
-    export CI_BRANCH=$TRAVIS_BRANCH
-    export CI_BASE_BRANCH=$TRAVIS_BRANCH
-    export CI_BUILD_ID=$TRAVIS_BUILD_ID
-    export CI_COMMIT=$TRAVIS_COMMIT
-    export CI_JOB_ID=$TRAVIS_JOB_ID
-    if [[ $TRAVIS_PULL_REQUEST != false ]]; then
-      export CI_PULL_REQUEST=true
-    else
-      export CI_PULL_REQUEST=
-    fi
-    export CI_OS_NAME=$TRAVIS_OS_NAME
-    export CI_REPO_SLUG=$TRAVIS_REPO_SLUG
-    export CI_TAG=$TRAVIS_TAG
-  elif [[ -n $BUILDKITE ]]; then
+  if [[ -n $BUILDKITE ]]; then
     export CI_BRANCH=$BUILDKITE_BRANCH
     export CI_BUILD_ID=$BUILDKITE_BUILD_ID
     if [[ $BUILDKITE_COMMIT = HEAD ]]; then

ci/publish-tarball.sh

@@ -127,17 +127,6 @@ for file in "${TARBALL_BASENAME}"-$TARGET.tar.bz2 "${TARBALL_BASENAME}"-$TARGET.
     if [[ -n $TAG ]]; then
       ci/upload-github-release-asset.sh "$file"
     fi
-  elif [[ -n $TRAVIS ]]; then
-    # .travis.yml uploads everything in the travis-s3-upload/ directory to release.solana.com
-    mkdir -p travis-s3-upload/"$CHANNEL_OR_TAG"
-    cp -v "$file" travis-s3-upload/"$CHANNEL_OR_TAG"/
-
-    if [[ -n $TAG ]]; then
-      # .travis.yaml uploads everything in the travis-release-upload/ directory to
-      # the associated Github Release
-      mkdir -p travis-release-upload/
-      cp -v "$file" travis-release-upload/
-    fi
   elif [[ -n $GITHUB_ACTIONS ]]; then
     mkdir -p github-action-s3-upload/"$CHANNEL_OR_TAG"
     cp -v "$file" github-action-s3-upload/"$CHANNEL_OR_TAG"/

docs/README.md

@@ -117,7 +117,7 @@ They are listed in the commented out `localesNotBuilding` attribute in the
 
 ## CI Build Flow
 
-The docs are built and published in Travis CI with the `./build.sh` script. On each PR, the docs are built, but not published.
+The docs are built and published in Github Actions with the `docs.yml` workflow. On each PR, the docs are built, but not published.
 
 In each post-commit build, docs are built and published using `vercel` to their respective domain depending on the build branch.
 

docs/build-cli-usage.sh

@@ -31,9 +31,6 @@ source ../ci/rust-version.sh stable
 
 : "${rust_stable:=}" # Pacify shellcheck
 
-# pre-build with output enabled to appease Travis CI's hang check
-cargo build -p solana-cli
-
 usage=$(cargo -q run -p solana-cli -- -C ~/.foo --help | sed -e 's|'"$HOME"'|~|g' -e 's/[[:space:]]\+$//')
 
 section() {