Update NodeType.tosca

nodetypes/radon.nodes.aws/AwsLambdaFunctionFromS3Scalable/NodeType.tosca

@@ -36,9 +36,6 @@ node_types:
         type: integer
         description: Function memory in MB
         default: 128
-      function_name:
-        type: string
-        description: Lambda Function name
       memory_range:
         type: range
         description: Range of function memory in MB to search
@@ -207,4 +204,4 @@ node_types:
         file: delete.yml
       scaleUp:
         type: radon.artifacts.Ansible
-        file: scaleUp.yml
\ No newline at end of file
+        file: scaleUp.yml