check exit code on checkup function

Jenkinsfile

@@ -233,10 +233,7 @@ def deploy(String service, String version, String host){
 //Implement a new method in order to check the input parameters
 def checkup(String service, String version, String host){
     sh("""
-        if [[ "$version" ~= *"SNAPSHOT"* ]]; then
-        	echo"This is not a snapshot version: $version"
-        	exit 1;
-        fi	
+        exit 1;
     """)
 }