Remove RuboCop control comments from overcommit executable

This is noise that shouldn't be shipped to every machine installing
Overcommit. Change our RuboCop configuration to ignore the offense
instead.

Author: sds

.rubocop.yml

@@ -117,6 +117,10 @@ Style/PercentLiteralDelimiters:
 Style/PredicateName:
   Enabled: false
 
+Style/RescueModifier:
+  Exclude:
+    - 'bin/overcommit'
+
 Style/SignalException:
   Enabled: false
 

bin/overcommit

@@ -2,7 +2,6 @@
 
 # Check if Overcommit should invoke a Bundler context for loading gems
 require 'yaml'
-# rubocop:disable Style/RescueModifier
 if gemfile = YAML.load_file('.overcommit.yml')['gemfile'] rescue nil
   ENV['BUNDLE_GEMFILE'] = gemfile
   require 'bundler'
@@ -30,7 +29,6 @@ if gemfile = YAML.load_file('.overcommit.yml')['gemfile'] rescue nil
     exec('bundle', 'exec', $0, *ARGV)
   end
 end
-# rubocop:enable Style/RescueModifier
 
 begin
   require 'overcommit/cli'