Delete all folders with given name, example “.svn” etc.

find . -type d -name '.svn' -print -exec rm -rf {} \;
find . -type d -name '.idea' -print -exec rm -rf {} \;
find . -type d -name '.sass-cache' -print -exec rm -rf {} \;
find . -type d -name 'node_modules' -print -exec rm -rf {} \;