Revert "Merge pull #793: Dev Docs: New Glossary & JS Search Box"

This reverts commit e3dcf0ce1f, reversing
changes made to c71e9fdf2d.

Once again we had a broken new plugin that Travis CI and local building
didn't catch.

_data/glossary/en/chain-code.yaml

@@ -1,35 +0,0 @@
----
-# This file is licensed under the MIT License (MIT) available on
-# http://opensource.org/licenses/MIT.
-
-required:
-                                           #-------------40 characters-------------#
-    title_max_40_characters_no_formatting: Chain Code, HD Wallet Chain Code
-
-    summary_max_255_characters_no_formatting: >
-        In HD wallets, 256 bits of entropy added to the public and
-        private keys to help them generate secure child keys; the master
-        chain code is usually derived from a seed along with the master
-        private key
-
-    synonyms_shown_in_glossary_capitalize_first_letter:
-        - Chain code
-
-optional:
-    synonyms_and_pluralizations_not_shown_in_glossary:
-        - Chain codes
-        - HD wallet chain code
-        - HD wallet chain codes
-        - parent chain code
-        - parent chain codes
-        - child chain code
-        - child chain codes
-
-    not_to_be_confused_with_capitalize_first_letter:
-
-    links_html_or_markdown_style_capitalize_first_letter:
-        - "[Chain code](/en/developer-guide#term-chain-code) --- Bitcoin.org Developer Guide"
-        - "[BIP32: Hierarchical Deterministic Wallets](https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki) --- Bitcoin Improvement Proposals"
-        - "[Deterministic wallet](https://en.bitcoin.it/wiki/Deterministic_Wallet) --- Bitcoin wiki"
-
----