Icon page descriptions

[rachael-phillips]

Import all icon descriptions to the icons page. If we cannot import the icon descriptions be the release date we should remove this section.

[dgutride]

Where are the icon descriptions in the repo @rachael-phillips ?

[rachael-phillips]

The icon descriptions we are going to use are the contextual usage categories listed here: https://www.patternfly.org/styles/icons/

[dgutride]

Descriptions were removed temporarily