Remove -webkit-column-progression and -webkit-column-axis properties.

LayoutTests/fast/css/getComputedStyle/computed-style-expected.txt

 Attributes that are exposed in the CSS computed style object:
 
 background-attachment: scroll;
 background-clip: border-box;
 background-color: rgba(0, 0, 0, 0);
 background-image: none;
 background-origin: padding-box;
 background-position: 0% 0%;
 background-repeat: repeat;
 background-size: auto;
@@ skipping 118 matching lines @@
 -webkit-box-flex-group: 1;
 -webkit-box-lines: single;
 -webkit-box-ordinal-group: 1;
 -webkit-box-orient: horizontal;
 -webkit-box-pack: start;
 -webkit-box-reflect: none;
 -webkit-box-shadow: none;
 -webkit-column-break-after: auto;
 -webkit-column-break-before: auto;
 -webkit-column-break-inside: auto;
--webkit-column-axis: auto;
 -webkit-column-count: auto;
 -webkit-column-gap: normal;
 -webkit-column-rule-color: rgb(0, 0, 0);
 -webkit-column-rule-style: none;
 -webkit-column-rule-width: 0px;
 -webkit-column-span: none;
 -webkit-column-width: auto;
 align-content: stretch;
 align-items: stretch;
 align-self: stretch;
@@ skipping 87 matching lines @@
 
 Other attributes that the computed style class supports:
 
 background-position-x: 0%;
 background-position-y: 0%;
 border-spacing: 0px 0px;
 overflow: visible;
 -webkit-mask-position-x: 0%;
 -webkit-mask-position-y: 0%;