.travis.yml in fluent-plugin-geoip-0.8.2 vs .travis.yml in fluent-plugin-geoip-1.0.0

- old
+ new
@@ -8,13 +8,9 @@
   matrix:
     - TARGET_RUBY_VERSION=2.1 BUNDLE_GEMFILE=/app/gemfiles/fluentd_v1.0_with_backport_dig.gemfile
     - TARGET_RUBY_VERSION=2.2 BUNDLE_GEMFILE=/app/gemfiles/fluentd_v1.0_with_backport_dig.gemfile
     - TARGET_RUBY_VERSION=2.3 BUNDLE_GEMFILE=/app/gemfiles/fluentd_v1.0_without_backport_dig.gemfile
     - TARGET_RUBY_VERSION=2.4 BUNDLE_GEMFILE=/app/gemfiles/fluentd_v1.0_without_backport_dig.gemfile
-    - TARGET_RUBY_VERSION=2.1 BUNDLE_GEMFILE=/app/gemfiles/fluentd_v0.12_with_backport_dig.gemfile
-    - TARGET_RUBY_VERSION=2.2 BUNDLE_GEMFILE=/app/gemfiles/fluentd_v0.12_with_backport_dig.gemfile
-    - TARGET_RUBY_VERSION=2.3 BUNDLE_GEMFILE=/app/gemfiles/fluentd_v0.12_without_backport_dig.gemfile
-    - TARGET_RUBY_VERSION=2.4 BUNDLE_GEMFILE=/app/gemfiles/fluentd_v0.12_without_backport_dig.gemfile
 
 before_install:
   #- sudo apt-get update
   #- sudo apt-get install -y docker-engine
   - sudo rm /usr/local/bin/docker-compose