blessed-builds: Move mail sending to finally

We always want to send mail

Fixes: 2b2516b0

blessed_build_auto.groovy

@@ -214,21 +214,16 @@ pkgs.each { pkg ->
                             }
                         }
                     }
-
-                    stage('Postbuild') {
-                        node ('${node_label}') {
-                            emailext (
-                              to: "${email_to}",
-                              subject: "[arm02] \${currentBuild.result} \${currentBuild.fullDisplayName}",
-			      attachLog: true,
-                            )
-                        }
-                    }
                 } catch(err) {
                     if(currentBuild.result == 'NOT_BUILT') {
                         print "Build aborted. Build criteria not met."
                     }
                 } finally {
+                    emailext (
+                        to: "${email_to}",
+                        subject: "[arm02] \${currentBuild.result} \${currentBuild.fullDisplayName}",
+			attachLog: true,
+                    )
                     cleanWs cleanWhenFailure: false, cleanWhenSuccess: true, deleteDirs: true
                 }
             }