Update docstrings

Author: vdusek

src/apify_client/_http_clients/_base.py

@@ -202,31 +202,6 @@ class HttpClient(_HttpClientBase, ABC):
     Extend this class to create a custom synchronous HTTP client. Override the `call` method
     with your implementation. Helper methods from the base class are available for request
     preparation, URL building, and parameter parsing.
-
-    Example::
-
-        from apify_client import ApifyClient, HttpClient, HttpResponse
-
-        class MyHttpClient(HttpClient):
-            def __init__(self):
-                super().__init__()
-
-            def call(
-                self,
-                *,
-                method: str,
-                url: str,
-                headers: dict[str, str] | None = None,
-                params: dict[str, Any] | None = None,
-                data: str | bytes | bytearray | None = None,
-                json: Any = None,
-                stream: bool | None = None,
-                timeout: timedelta | None = None,
-            ) -> HttpResponse:
-                # Your custom implementation here
-                ...
-
-        client = ApifyClient(token="...", http_client=MyHttpClient())
     """
 
     @abstractmethod
@@ -269,31 +244,6 @@ class HttpClientAsync(_HttpClientBase, ABC):
 
     Extend this class to create a custom asynchronous HTTP client. See `HttpClient`
     for details on the expected behavior.
-
-    Example::
-
-        from apify_client import ApifyClientAsync, HttpClientAsync, HttpResponse
-
-        class MyHttpClientAsync(HttpClientAsync):
-            def __init__(self):
-                super().__init__()
-
-            async def call(
-                self,
-                *,
-                method: str,
-                url: str,
-                headers: dict[str, str] | None = None,
-                params: dict[str, Any] | None = None,
-                data: str | bytes | bytearray | None = None,
-                json: Any = None,
-                stream: bool | None = None,
-                timeout: timedelta | None = None,
-            ) -> HttpResponse:
-                # Your custom async implementation here
-                ...
-
-        client = ApifyClientAsync(token="...", http_client=MyHttpClientAsync())
     """
 
     @abstractmethod