Rubocop cleanup - use single .rubocop.yml file

- Remove individual directory/.rubocop.yml file
- Adjust .rubocop.yml to include all other directories
- Adjust Strainerfile to use the single .rubocop.yml file

Change-Id: Id64fae024f8972e87919f837f31f487a43744d5f
Addresses: blueprint rubocop-for-dashboard

.rubocop.yml

@@ -1,7 +1,22 @@
-# UTF-8 headers not generally in these files
-Encoding:
-  Enabled: false
+AllCops:
+  Includes:
+    - metadata.rb
+    - Gemfile
+    - attributes/**
+    - recipes/**
+    - spec/**
+  Excludes:
+    - libraries/**
+    - providers/**
+    - resources/**
+
+Encoding:
+  Exclude:
+    - metadata.rb
+    - Gemfile
 
-# ignore long lines
 LineLength:
   Enabled: false
+
+WordArray:
+  MinSize: 3

Strainerfile

@@ -1,9 +1,5 @@
 # Strainerfile
-rubocop: bundle exec rubocop $SANDBOX/$COOKBOOK/Gemfile $SANDBOX/$COOKBOOK/metadata.rb --config $SANDBOX/$COOKBOOK/.rubocop.yml
-rubocop: bundle exec rubocop $SANDBOX/$COOKBOOK/attributes/ --config $SANDBOX/$COOKBOOK/attributes/.rubocop.yml
-rubocop: bundle exec rubocop $SANDBOX/$COOKBOOK/recipes/ --config $SANDBOX/$COOKBOOK/recipes/.rubocop.yml
-rubocop: bundle exec rubocop $SANDBOX/$COOKBOOK/spec/ --config $SANDBOX/$COOKBOOK/spec/.rubocop.yml
-# rubocop: bundle exec rubocop $SANDBOX/$COOKBOOK
+rubocop: bundle exec rubocop $SANDBOX/$COOKBOOK
 knife test: bundle exec knife cookbook test $COOKBOOK
 foodcritic: bundle exec foodcritic -f any -t ~FC003 -t ~FC023 $SANDBOX/$COOKBOOK
 chefspec: bundle exec rspec $SANDBOX/$COOKBOOK/spec

attributes/.rubocop.yml

@@ -1,7 +0,0 @@
-# embedded attributes make for long lines
-LineLength:
-  Enabled: false
-
-# Allow small arrays before forcing  %w or %W
-WordArray:
-  MinSize: 3

recipes/.rubocop.yml

@@ -1,3 +0,0 @@
-# embedded attributes make for long lines
-LineLength:
-  Enabled: false

spec/.rubocop.yml

@@ -1,7 +0,0 @@
-# embedded attributes make for long lines
-LineLength:
-  Enabled: false
-
-# Allow small arrays before forcing  %w or %W
-WordArray:
-  MinSize: 3