clean up stuf added in last rebase

Author: reeganviljoen

lib/view_component/base.rb

@@ -51,10 +51,6 @@ def config
     # For Content Security Policy nonces
     delegate :content_security_policy_nonce, to: :helpers
 
-    # Config option that strips trailing whitespace in templates before compiling them.
-    class_attribute :__vc_strip_trailing_whitespace, instance_accessor: false, instance_predicate: false
-    self.__vc_strip_trailing_whitespace = false # class_attribute:default doesn't work until Rails 5.2
-
     attr_accessor :__vc_original_view_context
 
     # Components render in their own view context. Helpers and other functionality