Don't spam all commiters by email

Limit the notifications made by Jenkins to only two people.

Jenkinsfile

@@ -49,7 +49,7 @@ pipeline {
           def details = """<h1>${env.JOB_NAME} - Build #${env.BUILD_NUMBER} - ${status}</h1>
                            <p>Check console output at <a href="${url}">${env.JOB_BASE_NAME} - #${env.BUILD_NUMBER}</a></p>
                         """
-          emailext (subject: summary, body: details, attachLog: true, compressLog: true, recipientProviders: [ [$class: 'CulpritsRecipientProvider']])
+          emailext (subject: summary, body: details, attachLog: true, compressLog: true, to: '[email protected], [email protected]')
         }
       }
     }