[fix][core] remove var definitions from finally block

us: PRODX-5418
Change-Id: I75174752126ddfff1f8297b77c824f319bb7c41c
diff --git a/src/com/mirantis/mk/KaasUtils.groovy b/src/com/mirantis/mk/KaasUtils.groovy
index 7291c88..2109dcd 100644
--- a/src/com/mirantis/mk/KaasUtils.groovy
+++ b/src/com/mirantis/mk/KaasUtils.groovy
@@ -230,7 +230,7 @@
                 currentBuild.description += build_description
             }
         } finally {
-            common.infoMsg("Patched KaaS demo with Openstack provider finished with status: ${build_result}")
+            common.infoMsg('Patched KaaS demo with Openstack provider finished')
         }
     }
     if (triggers.awsOnDemandDemoEnabled) {
@@ -246,7 +246,7 @@
                     currentBuild.description += build_description
                 }
             } finally {
-                common.infoMsg("Patched KaaS demo with AWS provider finished with status: ${build_result}")
+                common.infoMsg('Patched KaaS demo with AWS provider finished')
             }
         }
     }