docs(material/form-field): update documentation to replace 'mat-chip-list' with 'mat-chip-grid'

Remove deprecated object from the form-field.md

Fixes #30122

Author: mistrykaran91

Diff for: src/material/chips/chip-text-control.ts

@@ -6,7 +6,7 @@
  * found in the LICENSE file at https://angular.dev/license
  */
 
-/** Interface for a text control that is used to drive interaction with a mat-chip-list. */
+/** Interface for a text control that is used to drive interaction with a mat-chip-grid. */
 export interface MatChipTextControl {
   /** Unique identifier for the text control. */
   id: string;

Diff for: src/material/form-field/form-field.md

@@ -154,5 +154,5 @@ This error occurs if you have added multiple hints for the same side. Keep in mi
 This error occurs when you have not added a form field control to your form field. If your form
 field contains a native `<input>` or `<textarea>` element, make sure you've added the `matInput`
 directive to it and have imported `MatInputModule`. Other components that can act as a form field
-control include `<mat-select>`, `<mat-chip-list>`, and any custom form field controls you've
+control include `<mat-select>`, `<mat-chip-grid>`, and any custom form field controls you've
 created.