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

LayoutTests/fast/css/getComputedStyle/resources/property-names.js

 // We only test properties that are exposed in all ports.
 var propertiesToTest = {
     "-webkit-animation-delay": true,
     "-webkit-animation-direction": true,
     "-webkit-animation-duration": true,
     "-webkit-animation-fill-mode": true,
     "-webkit-animation-iteration-count": true,
     "-webkit-animation-name": true,
     "-webkit-animation-play-state": true,
     "-webkit-animation-timing-function": true,
@@ skipping 12 matching lines @@
     "-webkit-box-direction": true,
     "-webkit-box-flex": true,
     "-webkit-box-flex-group": true,
     "-webkit-box-lines": true,
     "-webkit-box-ordinal-group": true,
     "-webkit-box-orient": true,
     "-webkit-box-pack": true,
     "-webkit-box-reflect": true,
     "-webkit-box-shadow": true,
     "-webkit-color-correction": true,
-    "-webkit-column-axis": true,
     "-webkit-column-break-after": true,
     "-webkit-column-break-before": true,
     "-webkit-column-break-inside": true,
     "-webkit-column-count": true,
     "-webkit-column-gap": true,
     "-webkit-column-rule-color": true,
     "-webkit-column-rule-style": true,
     "-webkit-column-rule-width": true,
     "-webkit-column-span": true,
     "-webkit-column-width": true,
@@ skipping 207 matching lines @@
 // There properties don't show up when iterating a computed style object,
 // but we do want to dump their values in tests.
 var hiddenComputedStyleProperties = [
     "background-position-x",
     "background-position-y",
     "border-spacing",
     "overflow",
     "-webkit-mask-position-x",
     "-webkit-mask-position-y",
 ];