Make it back Java 8

Author: cstamas

.github/workflows/maven.yml

@@ -23,8 +23,6 @@ jobs:
   build:
     name: Build it
     uses: codehaus-plexus/.github/.github/workflows/maven.yml@master
-    with:
-      jdk-matrix: '[ "23", "21", "17" ]'
 
   deploy:
     name: Deploy

pom.xml

@@ -31,7 +31,6 @@
   </distributionManagement>
 
   <properties>
-    <javaVersion>17</javaVersion>
     <project.build.outputTimestamp>2023-10-21T21:30:57Z</project.build.outputTimestamp>
   </properties>