Revert "Added sonatype repo to jetty12 publishing"

This reverts commit 2b37dfb.

wiremock-jetty12/build.gradle

@@ -119,20 +119,6 @@ publishing {
       }
     }
   }
-
-  nexusPublishing {
-    // See https://github.com/wiremock/community/blob/main/infra/maven-central.md
-    repositories {
-      sonatype2 {
-        def envUsername = providers.environmentVariable("OSSRH_USERNAME").orElse("").get()
-        def envPassword = providers.environmentVariable("OSSRH_TOKEN").orElse("").get()
-        if (!envUsername.isEmpty() && !envPassword.isEmpty()) {
-          username.set(envUsername)
-          password.set(envPassword)
-        }
-      }
-    }
-  }
 }
 
 task localRelease {