Update README.md

Removed note about installing certificate for MSIX.

Author: Minessential

README.md

@@ -11,9 +11,6 @@ Fluent UI for LocalSend, just tested on Windows!
 ![image](/readme_img/screenshot_1.png)
 ![image](/readme_img/screenshot_2.png)
 
-## Note
-if the msix can't install please install `Mine.LocalSend.Fluent.cer` in release.
-
 ---
 # **Here are the original LocalSend instructions.**