Remove -ms-autohiding-scrollbar for prevent overlap the table content

Created by: ysds

In IE and Edge, responsive table scrollbars are displayed during mouse hovering. Bootstrap .table has margin-bottom: 1rem by default, but removing it will cause the following problem:

IE and Edge:

Chrome:

This PR not only fixes the issue but also improves consistency.

Demo:

• Before: https://codepen.io/fellows3/pen/rPywbG
• After: https://codepen.io/fellows3/pen/mvWMoE