Remove #8350's reset for number inputs since Normalize fixes those upstream

dist/css/bootstrap.css

@@ -1676,10 +1676,6 @@ input[type="checkbox"]:focus {
   outline: 5px auto -webkit-focus-ring-color;
   outline-offset: -2px;
 }
-input[type="number"]::-webkit-outer-spin-button,
-input[type="number"]::-webkit-inner-spin-button {
-  height: auto;
-}
 output {
   display: block;
   padding-top: 7px;

less/forms.less

@@ -79,17 +79,6 @@ input[type="checkbox"]:focus {
   .tab-focus();
 }
 
-// Fix for Chrome number input
-//
-// Setting certain font-sizes causes the `I` bar to appear on hover of the
-// decrement button. See https://github.com/twbs/bootstrap/issues/8350.
-input[type="number"] {
-  &::-webkit-outer-spin-button,
-  &::-webkit-inner-spin-button {
-    height: auto;
-  }
-}
-
 // Adjust output element
 output {
   display: block;