Cleanup: Missed the schema and registration for the removed unused widgets (#6742)

## Summary

Just a cleanup following up on
https://github.com/Comfy-Org/ComfyUI_frontend/pull/6741

src/schemas/nodeDef/nodeDefSchemaV2.ts

@@ -50,13 +50,6 @@ const zColorInputSpec = zBaseInputOptions.extend({
     .optional()
 })
 
-const zFileUploadInputSpec = zBaseInputOptions.extend({
-  type: z.literal('FILEUPLOAD'),
-  name: z.string(),
-  isOptional: z.boolean().optional(),
-  options: z.record(z.unknown()).optional()
-})
-
 const zImageInputSpec = zBaseInputOptions.extend({
   type: z.literal('IMAGE'),
   name: z.string(),
@@ -82,29 +75,6 @@ const zMarkdownInputSpec = zBaseInputOptions.extend({
     .optional()
 })
 
-const zTreeSelectInputSpec = zBaseInputOptions.extend({
-  type: z.literal('TREESELECT'),
-  name: z.string(),
-  isOptional: z.boolean().optional(),
-  options: z
-    .object({
-      multiple: z.boolean().optional(),
-      values: z.array(z.unknown()).optional()
-    })
-    .optional()
-})
-
-const zMultiSelectInputSpec = zBaseInputOptions.extend({
-  type: z.literal('MULTISELECT'),
-  name: z.string(),
-  isOptional: z.boolean().optional(),
-  options: z
-    .object({
-      values: z.array(z.string()).optional()
-    })
-    .optional()
-})
-
 const zChartInputSpec = zBaseInputOptions.extend({
   type: z.literal('CHART'),
   name: z.string(),
@@ -128,17 +98,6 @@ const zGalleriaInputSpec = zBaseInputOptions.extend({
     .optional()
 })
 
-const zSelectButtonInputSpec = zBaseInputOptions.extend({
-  type: z.literal('SELECTBUTTON'),
-  name: z.string(),
-  isOptional: z.boolean().optional(),
-  options: z
-    .object({
-      values: z.array(z.string()).optional()
-    })
-    .optional()
-})
-
 const zTextareaInputSpec = zBaseInputOptions.extend({
   type: z.literal('TEXTAREA'),
   name: z.string(),
@@ -165,15 +124,11 @@ const zInputSpec = z.union([
   zStringInputSpec,
   zComboInputSpec,
   zColorInputSpec,
-  zFileUploadInputSpec,
   zImageInputSpec,
   zImageCompareInputSpec,
   zMarkdownInputSpec,
-  zTreeSelectInputSpec,
-  zMultiSelectInputSpec,
   zChartInputSpec,
   zGalleriaInputSpec,
-  zSelectButtonInputSpec,
   zTextareaInputSpec,
   zCustomInputSpec
 ])
@@ -213,13 +168,9 @@ type BooleanInputSpec = z.infer<typeof zBooleanInputSpec>
 type StringInputSpec = z.infer<typeof zStringInputSpec>
 export type ComboInputSpec = z.infer<typeof zComboInputSpec>
 export type ColorInputSpec = z.infer<typeof zColorInputSpec>
-export type FileUploadInputSpec = z.infer<typeof zFileUploadInputSpec>
 export type ImageCompareInputSpec = z.infer<typeof zImageCompareInputSpec>
-export type TreeSelectInputSpec = z.infer<typeof zTreeSelectInputSpec>
-export type MultiSelectInputSpec = z.infer<typeof zMultiSelectInputSpec>
 export type ChartInputSpec = z.infer<typeof zChartInputSpec>
 export type GalleriaInputSpec = z.infer<typeof zGalleriaInputSpec>
-export type SelectButtonInputSpec = z.infer<typeof zSelectButtonInputSpec>
 export type TextareaInputSpec = z.infer<typeof zTextareaInputSpec>
 export type CustomInputSpec = z.infer<typeof zCustomInputSpec>