features: Remove inaccurate accessibility claim.
features: Remove inaccurate accessibility claim.

I'm not sure how this got added; it seems to have happened in a visual
redesign of the /features page.  Certainly the claim should only have
been added after the work it described was done, and it has not.

brainwane/zulip,andersk/zulip,andersk/zulip,brainwane/zulip,punchagan/zulip,showell/zulip,zulip/zulip,eeshangarg/zulip,rht/zulip,punchagan/zulip,punchagan/zulip,kou/zulip,eeshangarg/zulip,rht/zulip,brainwane/zulip,kou/zulip,eeshangarg/zulip,kou/zulip,showell/zulip,punchagan/zulip,showell/zulip,andersk/zulip,showell/zulip,rht/zulip,eeshangarg/zulip,eeshangarg/zulip,rht/zulip,brainwane/zulip,brainwane/zulip,zulip/zulip,punchagan/zulip,eeshangarg/zulip,andersk/zulip,zulip/zulip,brainwane/zulip,punchagan/zulip,hackerkid/zulip,hackerkid/zulip,showell/zulip,hackerkid/zulip,rht/zulip,andersk/zulip,kou/zulip,zulip/zulip,kou/zulip,showell/zulip,hackerkid/zulip,eeshangarg/zulip,zulip/zulip,showell/zulip,rht/zulip,kou/zulip,andersk/zulip,punchagan/zulip,hackerkid/zulip,zulip/zulip,kou/zulip,hackerkid/zulip,zulip/zulip,brainwane/zulip,andersk/zulip,hackerkid/zulip,rht/zulip