[doc] Hide fdroid in ReadMe

Approval process takes some time, see issue #2

README.md

@@ -2,7 +2,7 @@
 
 <p align="center">
   <a href="https://play.google.com/store/apps/details?id=com.dreautall.waterflyiii"><img src=".playstore/en_badge_web_generic.png" width="200" /></a>
-  <a href="https://f-droid.org/en/packages/com.dreautall.waterflyiii/"><img src=".github/assets/fdroid_get-it-on.ong" width="200" /></a>
+  <!--<a href="https://f-droid.org/en/packages/com.dreautall.waterflyiii/"><img src=".github/assets/fdroid_get-it-on.ong" width="200" /></a>-->
 </p>
 
 **Unofficial** Android App for [Firefly III](https://github.com/firefly-iii/firefly-iii), a free and open source personal finance manager.