Fix custom emoji width

app/javascript/styles/mastodon/components.scss

@@ -785,8 +785,7 @@ body > [data-popper-placement] {
   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 {
@@ -862,7 +861,6 @@ body > [data-popper-placement] {
   }
 
   .emojione {
-    width: 20px;
     height: 20px;
     margin: -3px 0 0;
   }
@@ -935,7 +933,6 @@ body > [data-popper-placement] {
   overflow-y: auto;
 
   .emojione {
-    width: 20px;
     height: 20px;
     margin: -3px 0 0;
   }
@@ -1362,7 +1359,6 @@ body > [data-popper-placement] {
     line-height: 24px;
 
     .emojione {
-      width: 24px;
       height: 24px;
       margin: -1px 0 0;
     }
@@ -6063,7 +6059,6 @@ a.status-card {
     line-height: 24px;
 
     .emojione {
-      width: 24px;
       height: 24px;
       margin: -1px 0 0;
     }
@@ -7402,7 +7397,6 @@ noscript {
       margin-bottom: 16px;
 
       .emojione {
-        width: 22px;
         height: 22px;
       }