Fix custom emoji width (#27969)

app/javascript/styles/mastodon/components.scss

@@ -1101,8 +1101,7 @@
   font-size: inherit;
   vertical-align: middle;
   object-fit: contain;
-  margin: -0.2ex 0.15em 0.2ex;
-  width: 16px;
+  margin: -0.2ex 0.15em 0;
   height: 16px;
 
   img {
@@ -1144,7 +1143,6 @@
   }
 
   .emojione {
-    width: 20px;
     height: 20px;
     margin: -3px 0 0;
   }
@@ -1367,7 +1365,6 @@
   overflow-y: auto;
 
   .emojione {
-    width: 20px;
     height: 20px;
     margin: -3px 0 0;
   }
@@ -1794,7 +1791,6 @@
     line-height: 24px;
 
     .emojione {
-      width: 24px;
       height: 24px;
       margin: -1px 0 0;
     }
@@ -7089,7 +7085,6 @@ a.status-card {
     line-height: 24px;
 
     .emojione {
-      width: 24px;
       height: 24px;
       margin: -1px 0 0;
     }
@@ -8421,7 +8416,6 @@ noscript {
       margin-bottom: 16px;
 
       .emojione {
-        width: 22px;
         height: 22px;
       }