Move spec files back out of spec/javascripts

- Jasmine gem allows us to specify a path to jasmine.yml via ENV

[finish #58126010]

spec/javascripts/support/jasmine_selenium_runner.yml

@@ -1,16 +0,0 @@
----
-use_sauce: <%= ENV['USE_SAUCE'] %>
-browser: <%= ENV['JASMINE_BROWSER'] %>
-sauce:
-  name: jasmine-core <%= Time.now.to_s %>
-  username: <%= ENV['SAUCE_USERNAME'] %>
-  access_key: <%= ENV['SAUCE_ACCESS_KEY'] %>
-  build: <%= ENV['TRAVIS_BUILD_NUMBER'] || 'Ran locally' %>
-  tags:
-    - <%= ENV['TRAVIS_RUBY_VERSION'] || RUBY_VERSION %>
-    - CI
-  tunnel_identifier: <%= ENV['TRAVIS_JOB_NUMBER'] ? %Q("#{ENV['TRAVIS_JOB_NUMBER']}") : nil %>
-  os: <%= ENV['SAUCE_OS'] %>
-  browser_version: <%= ENV['SAUCE_BROWSER_VERSION'] %>
-
-