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/block-height.yaml

@@ -1,33 +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: Block Chain Height, Block Height
-
-    summary_max_255_characters_no_formatting: >
-        The number of blocks preceding a particular block on a block
-        chain. For example, the genesis block has a height of zero
-        because zero block preceded it.
-
-    synonyms_shown_in_glossary_capitalize_first_letter:
-        - Height
-        - Block height
-
-optional:
-    synonyms_and_pluralizations_not_shown_in_glossary:
-        - heights
-        - block heights
-        - block chain height
-        - block chain heights
-
-    not_to_be_confused_with_capitalize_first_letter:
-
-    links_html_or_markdown_style_capitalize_first_letter:
-        - "[Block height](/en/developer-guide#term-block-height) --- Bitcoin.org Developer Guide"
-        - "[Definition of block height](http://bitcoin.stackexchange.com/q/18561) --- Bitcoin StackExchange"
-        - "[Why is block height required in the coinbase?](http://bitcoin.stackexchange.com/q/30764) --- Bitcoin StackExchange"
-        - "[Is block height always sequencial?](http://bitcoin.stackexchange.com/q/24309) --- Bitcoin StackExchange"
-
----