features: Fix duplicate code blocks sections.
features: Fix duplicate code blocks sections.

I'm not convinced I've resolved the problem optimally, but we can't
have two CODE BLOCKS items almost adjacent to each other.

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