Removed changelog check from Danger.

This is now handled by Peril.

Dangerfile

@@ -1,7 +1,3 @@
-# Sometimes it's a README fix, or something like that - which isn't relevant for
-# including in a project's CHANGELOG for example
-declared_trivial = github.pr_title.include? "#trivial"
-
 # Make it more obvious that a PR is a work in progress and shouldn't be merged yet
 warn("PR is classed as Work in Progress") if github.pr_title.include? "WIP"
 
@@ -12,8 +8,5 @@ warn("Big PR") if git.lines_of_code > 150
 fail("fdescribe left in tests") if `grep -r fdescribe specs/ `.length > 1
 fail("fit left in tests") if `grep -r fit specs/ `.length > 1
 
-# Require a changelog entry
-warn("No CHANGELOG changes made") if !git.modified_files.include?("CHANGELOG.md") && !declared_trivial
-
 swiftlint.config_file = '.swiftlint.yml'
 swiftlint.lint_files