chore: remove `Slider` outline (#38489)
chore: remove `Slider` outline (#38489)

* chore: remove `Slider` outline

the `::before` pseudo-element here seems to make no sense and gives an incorrect border when setting the `:focus-visible` style.

* chore: optimize focus style

* chore: update hover style

* chore: accept suggested

Co-authored-by: MadCcc <4f3b4d4df73bfa46d2436a4a42cc9526d2642dc8@qq.com>

* chore: remove noused

Co-authored-by: MadCcc <4f3b4d4df73bfa46d2436a4a42cc9526d2642dc8@qq.com>
ant-design/ant-design,ant-design/ant-design,ant-design/ant-design,ant-design/ant-design