fix version funcation delete. (#4265)

dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/dag.vue

@@ -753,6 +753,29 @@
         })
       },
 
+      /**
+       * delete one version of process definition
+       *
+       * @param version the version need to delete
+       * @param processDefinitionId the process definition id user want to delete
+       * @param fromThis fromThis
+       */
+      mVersionDeleteProcessDefinitionVersion ({ version, processDefinitionId, fromThis }) {
+        this.deleteProcessDefinitionVersion({
+          version: version,
+          processDefinitionId: processDefinitionId
+        }).then(res => {
+          this.$message.success(res.msg || '')
+          this.mVersionGetProcessDefinitionVersionsPage({
+            pageNo: 1,
+            pageSize: 10,
+            processDefinitionId: processDefinitionId,
+            fromThis: fromThis
+          })
+        }).catch(e => {
+          this.$message.error(e.msg || '')
+        })
+      },
       /**
        * query the process definition pagination version
        */