Revert "Small improvement"

This reverts commit 12f8a2e65b.

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

@@ -2485,12 +2485,12 @@ public class HtmlHelper {
             return;
 
         // Note that the browser will recognize meta elements in the body too
-        if (overview && false) {
+        if (overview) {
             // fit width
-            meta.remove();
+            //meta.remove();
-            document.head().prependElement("meta")
+            //document.head().prependElement("meta")
-                    .attr("name", "viewport")
+            //        .attr("name", "viewport")
-                    .attr("content", "width=device-width");
+            //        .attr("content", "width=device-width");
         } else {
             String content = meta.attr("content");
             String[] param = content.split("[;,]");