Update uat-cloud.jenkinsfile

jenkinsfile/uat-cloud.jenkinsfile

@@ -12,9 +12,6 @@ pipeline {
         timeout(time: 1, unit: 'HOURS')
     }
     
-    tools {
-        maven 'maven-3.5.2'
-    }
     stages {
         
         stage("Git"){
@@ -37,7 +34,8 @@ pipeline {
         stage("Build"){
             steps{
                 timeout(time:5, unit:"MINUTES"){
-                   sh "mvn clean -U install  -Dmaven.test.skip=true"
+                   mavenHome = tool 'maven-3.5.2'
+                   sh "${mavenHome}/bin/mvn clean -U install  -Dmaven.test.skip=true"
                 }
             }