Remove create_user API endpoint

There are no local user. This wasn't used.

JIRA INFRA-1854 #action In Progress

app/api/user.py

@@ -13,9 +13,8 @@ from flask import current_app, Blueprint, jsonify, request
 from flask_ldap3_login import AuthenticationResponseStatus
 from flask_login import login_required, current_user
 from ..extensions import ldap_manager
-from ..decorators import login_groups_accepted
 from .. import utils, tokens, models
-from .utils import get_generic_model, create_generic_model
+from .utils import get_generic_model
 
 bp = Blueprint("user_api", __name__)
 
@@ -40,22 +39,6 @@ def get_user_profile():
     return jsonify(current_user.to_dict()), 200
 
 
-@bp.route("/users", methods=["POST"])
-@login_groups_accepted("admin")
-def create_user():
-    """Create a new user
-
-    .. :quickref: User; Create new user
-
-    :jsonparam username: User's username
-    :jsonparam display_name: User's display name
-    :jsonparam email: User's email
-    """
-    return create_generic_model(
-        models.User, mandatory_fields=("username", "display_name", "email")
-    )
-
-
 @bp.route("/login", methods=["POST"])
 def login():
     """Return a JSON Web Token