remove temporary main exclusion

Author: jsvd

.travis.yml

@@ -2,9 +2,6 @@ import:
 - logstash-plugins/.ci:travis/[email protected]
 
 jobs:
-  exclude:
-    # TODO temporary
-    - env: SNAPSHOT=true ELASTIC_STACK_VERSION=main DOCKER_ENV=dockerjdk21.env
   include:
     - stage: "Integration Tests"
       env: INTEGRATION=true SNAPSHOT=true LOG_LEVEL=info ELASTIC_STACK_VERSION=7.current