prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  remove translations for user kinds on backend
  ### Observed behavior
  
  In role kinds we use the string "Classroom Assignable Coach": https://github.com/learningequality/kolibri/blob/develop/kolibri/auth/constants/role_kinds.py#L15
  
  This string is not something that should be user-facing
  
  ### Expected behavior
  
  implementation details hidden from user
  
  ### User-facing consequences
  
  confusing, inconsistent terminology
  
  
  ### Context
  
  https://crowdin.com/translate/kolibri/498/en-es#37506
  
  
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `kolibri/auth/constants/role_kinds.py`
  Content:
  ```
  1 """
  2 This module contains constants representing the kinds of "roles" that a user can have with respect to a Collection.
  3 """
  4 from __future__ import unicode_literals
  5 
  6 from django.utils.translation import ugettext_lazy as _
  7 
  8 ADMIN = "admin"
  9 COACH = "coach"
  10 ASSIGNABLE_COACH = "classroom assignable coach"
  11 
  12 choices = (
  13     (ADMIN, _("Admin")),
  14     (COACH, _("Coach")),
  15     (ASSIGNABLE_COACH, _("Classroom Assignable Coach")),
  16 )
  17
  ```
  --- END FILES ---
  
  Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.
  
  Here is an example:
  
  ```diff
  diff --git a/examples/server_async.py b/examples/server_async.py
  --- a/examples/server_async.py
  +++ b/examples/server_async.py
  @@ -313,4 +313,4 @@
   
   
   if __name__ == "__main__":
  -    asyncio.run(run_async_server("."), debug=True)
  +    asyncio.run(run_async_server(), debug=True)
  diff --git a/examples/server_sync.py b/examples/server_sync.py
  --- a/examples/server_sync.py
  +++ b/examples/server_sync.py
  @@ -313,5 +313,5 @@
   
   
   if __name__ == "__main__":
  -    server = run_sync_server(".")
  +    server = run_sync_server()
       server.shutdown()
  
  ```
  
golden_diff: diff --git a/kolibri/auth/constants/role_kinds.py b/kolibri/auth/constants/role_kinds.py
  --- a/kolibri/auth/constants/role_kinds.py
  +++ b/kolibri/auth/constants/role_kinds.py
  @@ -3,14 +3,12 @@
   """
   from __future__ import unicode_literals
   
  -from django.utils.translation import ugettext_lazy as _
  -
   ADMIN = "admin"
   COACH = "coach"
   ASSIGNABLE_COACH = "classroom assignable coach"
   
   choices = (
  -    (ADMIN, _("Admin")),
  -    (COACH, _("Coach")),
  -    (ASSIGNABLE_COACH, _("Classroom Assignable Coach")),
  +    (ADMIN, "Admin"),
  +    (COACH, "Coach"),
  +    (ASSIGNABLE_COACH, "Classroom Assignable Coach"),
   )
  
verification_info: {"golden_diff": "diff --git a/kolibri/auth/constants/role_kinds.py b/kolibri/auth/constants/role_kinds.py\n--- a/kolibri/auth/constants/role_kinds.py\n+++ b/kolibri/auth/constants/role_kinds.py\n@@ -3,14 +3,12 @@\n \"\"\"\n from __future__ import unicode_literals\n \n-from django.utils.translation import ugettext_lazy as _\n-\n ADMIN = \"admin\"\n COACH = \"coach\"\n ASSIGNABLE_COACH = \"classroom assignable coach\"\n \n choices = (\n-    (ADMIN, _(\"Admin\")),\n-    (COACH, _(\"Coach\")),\n-    (ASSIGNABLE_COACH, _(\"Classroom Assignable Coach\")),\n+    (ADMIN, \"Admin\"),\n+    (COACH, \"Coach\"),\n+    (ASSIGNABLE_COACH, \"Classroom Assignable Coach\"),\n )\n", "issue": "remove translations for user kinds on backend\n### Observed behavior\r\n\r\nIn role kinds we use the string \"Classroom Assignable Coach\": https://github.com/learningequality/kolibri/blob/develop/kolibri/auth/constants/role_kinds.py#L15\r\n\r\nThis string is not something that should be user-facing\r\n\r\n### Expected behavior\r\n\r\nimplementation details hidden from user\r\n\r\n### User-facing consequences\r\n\r\nconfusing, inconsistent terminology\r\n\r\n\r\n### Context\r\n\r\nhttps://crowdin.com/translate/kolibri/498/en-es#37506\r\n\r\n\n", "before_files": [{"content": "\"\"\"\nThis module contains constants representing the kinds of \"roles\" that a user can have with respect to a Collection.\n\"\"\"\nfrom __future__ import unicode_literals\n\nfrom django.utils.translation import ugettext_lazy as _\n\nADMIN = \"admin\"\nCOACH = \"coach\"\nASSIGNABLE_COACH = \"classroom assignable coach\"\n\nchoices = (\n    (ADMIN, _(\"Admin\")),\n    (COACH, _(\"Coach\")),\n    (ASSIGNABLE_COACH, _(\"Classroom Assignable Coach\")),\n)\n", "path": "kolibri/auth/constants/role_kinds.py"}], "after_files": [{"content": "\"\"\"\nThis module contains constants representing the kinds of \"roles\" that a user can have with respect to a Collection.\n\"\"\"\nfrom __future__ import unicode_literals\n\nADMIN = \"admin\"\nCOACH = \"coach\"\nASSIGNABLE_COACH = \"classroom assignable coach\"\n\nchoices = (\n    (ADMIN, \"Admin\"),\n    (COACH, \"Coach\"),\n    (ASSIGNABLE_COACH, \"Classroom Assignable Coach\"),\n)\n", "path": "kolibri/auth/constants/role_kinds.py"}]}