aiohttp instrumentation: Remove span_name from docs (#857)

CHANGELOG.md

@@ -51,6 +51,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `opentelemetry-instrumentation-aiohttp-client` aiohttp: Correct url filter input type
   ([#843](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/864))
 
+- `opentelemetry-instrumentation-aiohttp-client` aiohttp: Remove `span_name` from docs
+  ([#857](https://github.com/open-telemetry/opentelemetry-python-contrib/issues/857))
+
 
 ## [1.8.0-0.27b0](https://github.com/open-telemetry/opentelemetry-python/releases/tag/v1.8.0-0.27b0) - 2021-12-17
 

instrumentation/opentelemetry-instrumentation-aiohttp-client/src/opentelemetry/instrumentation/aiohttp_client/__init__.py

@@ -23,10 +23,7 @@ Explicitly instrumenting a single client session:
 .. code:: python
 
     import aiohttp
-    from opentelemetry.instrumentation.aiohttp_client import (
-        create_trace_config,
-        url_path_span_name
-    )
+    from opentelemetry.instrumentation.aiohttp_client import create_trace_config
     import yarl
 
     def strip_query_params(url: yarl.URL) -> str:
@@ -35,8 +32,6 @@ Explicitly instrumenting a single client session:
     async with aiohttp.ClientSession(trace_configs=[create_trace_config(
             # Remove all query params from the URL attribute on the span.
             url_filter=strip_query_params,
-            # Use the URL's path as the span name.
-            span_name=url_path_span_name
     )]) as session:
         async with session.get(url) as response:
             await response.text()
@@ -127,21 +122,6 @@ _ResponseHookT = typing.Optional[
 ]
 
 
-def url_path_span_name(params: aiohttp.TraceRequestStartParams) -> str:
-    """Extract a span name from the request URL path.
-
-    A simple callable to extract the path portion of the requested URL
-    for use as the span name.
-
-    :param aiohttp.TraceRequestStartParams params: Parameters describing
-        the traced request.
-
-    :return: The URL path.
-    :rtype: str
-    """
-    return params.url.path
-
-
 def create_trace_config(
     url_filter: _UrlFilterT = None,
     request_hook: _RequestHookT = None,

instrumentation/opentelemetry-instrumentation-aiohttp-client/tests/test_aiohttp_client_integration.py

@@ -71,20 +71,6 @@ class TestAioHttpIntegration(TestBase):
             spans,
         )
 
-    def test_url_path_span_name(self):
-        for url, expected in (
-            (
-                yarl.URL("http://hostname.local:1234/some/path?query=params"),
-                "/some/path",
-            ),
-            (yarl.URL("http://hostname.local:1234"), "/"),
-        ):
-            with self.subTest(url=url):
-                params = aiohttp.TraceRequestStartParams("METHOD", url, {})
-                actual = aiohttp_client.url_path_span_name(params)
-                self.assertEqual(actual, expected)
-                self.assertIsInstance(actual, str)
-
     @staticmethod
     def _http_request(
         trace_config,