Only set implementation version as default

optimade/server/config.py

@@ -111,27 +111,9 @@ class ServerConfig(BaseSettings):
     )
 
     @validator("implementation", pre=True)
-    def set_implementation_defaults(cls, v):
+    def set_implementation_version(cls, v):
         """Set defaults and modify by passed value(s)"""
-        res = {
-            "name": "Optimade Python Tools",
-            "version": __version__,
-            "source_url": "https://github.com/Materials-Consortia/optimade-python-tools",
-            "maintainer": {"email": "dev@optimade.org"},
-        }
-        res.update(v)
-        return res
-
-    @validator("provider", pre=True)
-    def set_provider_defaults(cls, v):
-        """Set defaults and modify by passed value(s)"""
-        res = {
-            "prefix": "exmpl",
-            "name": "Example provider",
-            "description": "Provider used for examples, not to be assigned to a real database",
-            "homepage": "https://example.com",
-            "index_base_url": "http://localhost:5001",
-        }
+        res = {"version": __version__}
         res.update(v)
         return res