Drop older rubies from CI

Author: pirj

ci/.github/workflows/ci.yml

@@ -21,8 +21,6 @@ jobs:
           - 2.5
           - 2.4
           - 2.3
-          - 2.2
-          - 2.1.9
           - ruby-head
         env:
           -
@@ -69,8 +67,6 @@ jobs:
           - 2.5
           - 2.4
           - 2.3
-          - 2.2
-          - 2.1.9
       fail-fast: false
     steps:
       - uses: actions/checkout@v2

ci/.travis.yml

@@ -79,7 +79,7 @@ function run_spec_suite_for {
       echo "Running specs for $1"
       pushd ../$1
       unset BUNDLE_GEMFILE
-      bundle_install_flags=`cat .travis.yml | grep bundler_args | tr -d '"' | grep -o " .*"`
+      bundle_install_flags="--binstubs --standalone --without documentation --path ../bundle"
       travis_retry eval "(unset RUBYOPT; exec bundle install $bundle_install_flags)"
       run_specs_and_record_done
       popd