style (learning map): fix rubocop issues in learning map controller
style (learning map): fix rubocop issues in learning map controller

Coursemology/coursemology2,Coursemology/coursemology2,Coursemology/coursemology2,Coursemology/coursemology2,Coursemology/coursemology2,Coursemology/coursemology2,Coursemology/coursemology2