Merge pull request #512 in RMS/api-main-service from gladys-dev2 to RMSv2

* commit '0178a00a':
  remove drf-writable-nested to requirements

requirements/local.txt

@@ -24,7 +24,6 @@ django-cors-headers==2.5.2
 django-filter==2.1.0
 djangorestframework==3.9.2
 drf-renderer-xlsx==0.3.3
-drf-writable-nested==0.5.1
 et-xmlfile==1.0.1
 gevent==1.4.0
 greenlet==0.4.15