Remove obsolete endpoints (#89)

Remove endpoints api/login/token and api/login/profile

---------

Co-authored-by: Thomas Peetz <thomas.peetz@cimt-ag.de>
Reviewed-on: #89

kontor-api/src/schema/admin/token.py

@@ -0,0 +1,13 @@
+from typing import List, Optional
+
+from pydantic import BaseModel
+
+
+class Token(BaseModel):
+    access_token: str
+    token_type: str
+
+
+class TokenData(BaseModel):
+    username: Optional[str] = None
+    scopes: List[str] = []