eslint: Switch all code from jsduck to jsdoc mode

Also drop the Rakefile, unused for a few years since we stopped
actually running the Ruby CI jobs here (and everywhere else).

Follow-up to c401efc98.

Change-Id: I9b58a962f47a7a85681d754a8a596af548bd222f

Rakefile

@@ -1,15 +0,0 @@
-require 'bundler/setup'
-
-require 'rubocop/rake_task'
-RuboCop::RakeTask.new(:rubocop) do |task|
-  # If you use mediawiki-vagrant, rubocop will by default use its .rubocop.yml.
-
-  # This line makes it explicit that you want .rubocop.yml from the directory
-  # where `bundle exec rake` is executed:
-  task.options = ['-c', '.rubocop.yml']
-end
-
-task :default => [:test]
-
-desc 'Run all build/tests commands (CI entry point)'
-task :test => [:rubocop]

collab/.eslintrc.json

@@ -4,7 +4,7 @@
 		"wikimedia/client-es6",
 		"wikimedia/jquery",
 		"wikimedia/mediawiki",
-		"wikimedia/jsduck"
+		"wikimedia/jsdoc"
 	],
 	"globals": {
 		"ve": "writable",

demos/.eslintrc.json

@@ -4,7 +4,7 @@
 		"wikimedia/client-es6",
 		"wikimedia/jquery",
 		"wikimedia/mediawiki",
-		"wikimedia/jsduck"
+		"wikimedia/jsdoc"
 	],
 	"globals": {
 		"ve": "readonly",

rebaser/src/.eslintrc.json

@@ -2,7 +2,7 @@
 	"root": true,
 	"extends": [
 		"wikimedia/server",
-		"wikimedia/jsduck"
+		"wikimedia/jsdoc"
 	],
 	"globals": {
 		"ve": true,

tests/.eslintrc.json

@@ -4,7 +4,7 @@
 		"wikimedia/client-es6",
 		"wikimedia/jquery",
 		"wikimedia/mediawiki",
-		"wikimedia/jsduck",
+		"wikimedia/jsdoc",
 		"wikimedia/qunit"
 	],
 	"globals": {