refactor(all): color/mode inputs are not longer needed

src/components/input/input.ts

@@ -253,16 +253,6 @@ export class TextInput extends Ion implements IonicFormInput {
     this._readonly = isTrueProperty(val);
   }
 
-  /**
-   * @input {string} The mode determines which platform styles to use.
-   * Possible values are: `"ios"`, `"md"`, or `"wp"`.
-   * For more information, see [Platform Styles](/docs/v2/theming/platform-specific-styles).
-   */
-  @Input()
-  set mode(val: string) {
-    this._setMode(val);
-  }
-
   /**
    * @input {boolean} If true, the value will be cleared after focus upon edit. Defaults to `true` when `type` is `"password"`, `false` for all other types.
    */