rm -rf specified dir's all node_modules, including all sub directory's node_modules recursively
node_modules_rmrf
.
|-parent
| |-chdir1
| | |-node_modules
| | |-file1.txt
| |-chdir2
| | |-node_modules
| | |-file2.txt
| | |-file3.sh
=>
.
|-parent
| |-chdir1
| | |-file1.txt
| |-chdir2
| | |-file2.txt
| | |-file3.sh