Feat: Adjust the style of the canvas node #10703 (#10795)

### What problem does this PR solve?

Feat: Adjust the style of the canvas node #10703


### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/constants/agent.ts

@@ -116,5 +116,4 @@ export enum Operator {
   Splitter = 'Splitter',
   HierarchicalMerger = 'HierarchicalMerger',
   Extractor = 'Extractor',
-  Generate = 'Generate',
 }