Remove environment from coverage and lint tasks

These do not need the Rails environment either, and will mean
they run faster too.

Author: pezholio

.rubocop.yml

@@ -55,4 +55,6 @@ Rails/SaveBang:
 # Don't require Rails environment to be loaded in rake tasks that do not use the Rails environment.
 Rails/RakeEnvironment:
   Exclude:
+    - 'lib/tasks/coverage.rake'
     - 'lib/tasks/converter.rake'
+    - 'lib/tasks/lint.rake'

lib/tasks/coverage.rake

@@ -1,5 +1,5 @@
 desc "Check coverage of last test run"
-task check_coverage: :environment do
+task :check_coverage do
   require "simplecov"
 
   SimpleCov.collate Dir["coverage/**/.resultset.json"] do

lib/tasks/lint.rake

@@ -1,6 +1,6 @@
 # :nocov:
 desc "Run all linters"
-task lint: :environment do
+task :lint do
   sh "bundle exec rubocop"
   if Rails.env.development?
     sh "bundle exec erb_lint --lint-all --autocorrect"