doc: remove accidental deprecation (electron#22266)

trop[bot] · codebytere · web-flow · commit 6ef605eaa2e9 · 2020-02-19T13:44:26.000+09:00
Co-authored-by: Shelley Vohr &lt;shelley.vohr@gmail.com&gt;
diff --git a/docs/api/system-preferences.md b/docs/api/system-preferences.md
@@ -402,8 +402,6 @@ Returns `Boolean` - whether or not this device has the ability to use Touch ID.
 
 **NOTE:** This API will return `false` on macOS systems older than Sierra 10.12.2.
 
-**[Deprecated](modernization/property-updates.md)**
-
 ### `systemPreferences.promptTouchID(reason)` _macOS_
 
 * `reason` String - The reason you are asking for Touch ID authentication
