Remove Outlook/mobile signatures

app/src/main/java/eu/faircode/email/HtmlHelper.java

@@ -2747,6 +2747,9 @@ public class HtmlHelper {
         // Outlook: <div id="Signature" data-lt-sig-active="">
         d.body().select("div#Signature").select("[data-lt-sig-active]").remove();
 
+        // Outlook/mobile <div id="ms-outlook-mobile-signature" dir="auto">
+        d.body().select("div#ms-outlook-mobile-signature").remove();
+
         // Yahoo/Android: <div id="ymail_android_signature">
         d.body().select("div#ymail_android_signature").remove();