remove duplicated version

Author: hduelme

.github/workflows/main.yml

@@ -13,7 +13,6 @@ jobs:
           - { jdk: 21, idea: 2025.1 }
           - { jdk: 21, idea: 2025.2 }
           - { jdk: 21, idea: 2025.3 }
-          - { jdk: 21, idea: 2025.3 }
           - { jdk: 21, idea: 2026.1 }
           - { jdk: 21, idea: LATEST-EAP-SNAPSHOT }
     name: 'IDEA ${{ matrix.version.idea }}'