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/escrow-contract.yaml

@@ -1,29 +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: Escrow Contract
-
-    summary_max_255_characters_no_formatting: >
-        A transaction in which a spender and receiver place funds in a
-        2-of-2 (or other m-of-n) multisig output so that neither can
-        spend the funds until they're both satisfied with some
-        external outcome.
-
-    synonyms_shown_in_glossary_capitalize_first_letter:
-        - Escrow contract
-
-optional:
-    synonyms_and_pluralizations_not_shown_in_glossary:
-        - Escrow contracts
-        - escrow
-
-    not_to_be_confused_with_capitalize_first_letter:
-
-    links_html_or_markdown_style_capitalize_first_letter:
-        - "[Escrow contract](/en/developer-guide#term-escrow-contract) --- Bitcoin.org Developer Guide"
-        - "[Escrow and dispute mediation](https://en.bitcoin.it/wiki/Contracts#Example_2:_Escrow_and_dispute_mediation) --- Bitcoin Wiki"
-
----