mobile: revert from two columns to one

share/al-quran.reflectslight.io/CHANGELOG.txt

@@ -12,10 +12,6 @@ RTL and LTR languages use a different set of fonts, and before this
 change we would download all fonts regardless of whether the font
 would be used or not
 
-** Render two columns for RTL languages
-On mobile devices we will render two columns in ~SurahIndex.tsx~ for
-RTL languages
-
 ** Optimize inline of ~postman.css~
 The inlined CSS is minified before being inserted into HTML documents
 

src/css/main/SurahIndex.scss

@@ -76,7 +76,7 @@ body .root .content.theme.rtl {
   ul.body.index {
     li.surah {
       @media (max-width: $breakpoint-sm) {
-        width: 50%;
+        width: 100%;
       }
       span.transliterated { display: none; }
     }