Drop elasticsearch-rails component (gem installed in postinst)

debian/copyright

@@ -4,15 +4,6 @@ Source: https://gitlab.com/gitlab-org/gitlab-foss
 Comment: This package installs front end dependencies (nodejs modules) using
  yarn package manager from outside debian. This can go to main when all
  those nodejs modules are packaged in main.
-Files-Excluded-elasticsearch-rails:
-    CHANGELOG.md
-    CONTRIBUTING.md
-   ~elasticsearch-model
-    elasticsearch-persistence
-   ~elasticsearch-rails
-    Gemfile
-    Rakefile
-    README.md
 
 Files: *
 Copyright: 2011-2015 GitLab B.V.
@@ -38,14 +29,6 @@ Files: doc/legal/*_contributor_license_agreement.md
 Copyright: the Google Open Source Programs Office
 License: CC-BY-3.0
 
-Files: elasticsearch*
-Copyright: 2014 Elasticsearch
-License: Apache-2.0
-
-Files: faraday-middleware-aws-signers-v4/*
-Copyright: 2015 Genki Sugawara
-License: Expat
-
 Files: snowplow-javascript-tracker/*
 Copyright: 2010 Anthon Pang
            2012 Snowplow Analytics Ltd

debian/gbp.conf

@@ -1,2 +1,2 @@
 [DEFAULT]
-component = [ 'elasticsearch-rails', 'snowplow-javascript-tracker', 'workhorse-vendor' ]
+component = [ 'snowplow-javascript-tracker', 'workhorse-vendor' ]

debian/watch

@@ -7,10 +7,6 @@ repack,compression=xz,oversionmangle=s{\Z}{+ds1},\
 dversionmangle=s/(\d)[\+]?(debian|dfsg|ds|deb|gh)\d*(\~)*(rc)*(\d)*$/$1$3$4$5/ \
 " https://gitlab.com/gitlab-org/gitlab-foss/-/tags?sort=updated_desc .*/gitlab-foss-v(\d[\d.]*)\.tar\.gz
 
-opts="pgpmode=none,component=elasticsearch-rails,\
-" https://github.com/elastic/elasticsearch-rails/releases \
- .*/archive/.*/v?(6\.1\.0)@ARCHIVE_EXT@$ ignore
-
 opts="pgpmode=none,component=snowplow-javascript-tracker,\
 " https://github.com/snowplow/snowplow-javascript-tracker/tags?after=2.11.0-rc3 \
  .*/archive/.*/v?(2\.10\.0)@ARCHIVE_EXT@$ ignore