(MAINT) Update rubocop config

This commit allows rubocop to use the default of nested for the
ClassAndModuleChildren cop.

Author: chelnak

.rubocop.yml

@@ -36,9 +36,6 @@ Style/BlockDelimiters:
   Description: Prefer braces for chaining. Mostly an aesthetical choice. Better to
     be consistent then.
   EnforcedStyle: braces_for_chaining
-Style/ClassAndModuleChildren:
-  Description: Compact style reduces the required amount of indentation.
-  EnforcedStyle: compact
 Style/EmptyElse:
   Description: Enforce against empty else clauses, but allow `nil` for clarity.
   EnforcedStyle: empty