Remove broken help links for blocks

We will reinstate these when help documentation is available.

Author: microbit-robert

pxtextension.ts

@@ -51,21 +51,12 @@ namespace ml {
     }
   }
 
-  /**
-   * Run this code when the model detects the input label has been predicted.
-   *
-   * This automatically starts running the ML model in the background.
-   * When the model predicts the indicated label, an event is raised to
-   * trigger this handler.
-   *
-   * @param mlEvent The label event that triggers this code to run.
-   * @param body The code to run when the model predicts the label.
-   */
   //% blockId=ml_on_event_start
   //% block="on ML $event start"
   //% weight=50
   //% parts="v2"
   //% group="micro:bit (V2)"
+  //% help=none
   export function onStart(event: MlEvent, body: () => void): void {
     event.onStartHandler = body;
     const wrappedBody = () => {
@@ -89,6 +80,7 @@ namespace ml {
   //% weight=40
   //% parts="v2"
   //% group="micro:bit (V2)"
+  //% help=none
   export function onStop(event: MlEvent, body: () => void): void {
     if (!isRunning()) {
       startRunning();
@@ -102,6 +94,7 @@ namespace ml {
   //% draggableParameters="reporter"
   //% parts="v2"
   //% group="micro:bit (V2)"
+  //% help=none
   export function onStopDetailed(
     event: MlEvent,
     body: (duration: number) => void
@@ -117,6 +110,7 @@ namespace ml {
   //% weight=20
   //% parts="v2"
   //% group="micro:bit (V2)"
+  //% help=none
   export function isDetected(event: MlEvent): boolean {
     if (!isRunning()) {
       startRunning();
@@ -129,6 +123,7 @@ namespace ml {
   //% block="certainty (\\%) ML $event"
   //% weight=10
   //% parts="v2"
+  //% help=none
   export function getCertainty(event: MlEvent): number {
     const eventValue = event.eventValue;
     if (eventValue <= 1) {