remove restriction on number input's width

src/components/settings_modal/settings_modal_admin_content.scss

@@ -48,9 +48,5 @@
       color: var(--cRed, $fallback--cRed);
       color: $fallback--cRed;
     }
-
-    .number-input {
-      max-width: 6em;
-    }
   }
 }

src/components/settings_modal/settings_modal_user_content.scss

@@ -48,9 +48,5 @@
       color: var(--cRed, $fallback--cRed);
       color: $fallback--cRed;
     }
-
-    .number-input {
-      max-width: 6em;
-    }
   }
 }