Removing pluginmanager as parameter in definition of pytest_addoption hook

doc/en/example/markers.rst

@@ -364,7 +364,7 @@ specifies via named environments:
     import pytest
 
 
-    def pytest_addoption(parser, pluginmanager):
+    def pytest_addoption(parser):
         parser.addoption(
             "-E",
             action="store",

doc/en/example/parametrize.rst

@@ -36,7 +36,7 @@ Now we add a test configuration like this:
     # content of conftest.py
 
 
-    def pytest_addoption(parser, pluginmanager):
+    def pytest_addoption(parser):
         parser.addoption("--all", action="store_true", help="run all combinations")
 
 

doc/en/example/simple.rst

@@ -33,7 +33,7 @@ provide the ``cmdopt`` through a :ref:`fixture function <fixture function>`:
     import pytest
 
 
-    def pytest_addoption(parser, pluginmanager):
+    def pytest_addoption(parser):
         parser.addoption(
             "--cmdopt", action="store", default="type1", help="my option: type1 or type2"
         )
@@ -151,7 +151,7 @@ line option to control skipping of ``pytest.mark.slow`` marked tests:
     import pytest
 
 
-    def pytest_addoption(parser, pluginmanager):
+    def pytest_addoption(parser):
         parser.addoption(
             "--runslow", action="store_true", default=False, help="run slow tests"
         )

doc/en/writing_plugins.rst

@@ -338,7 +338,7 @@ string value of ``Hello World!`` if we do not supply a value or ``Hello
     import pytest
 
 
-    def pytest_addoption(parser, pluginmanager):
+    def pytest_addoption(parser):
         group = parser.getgroup("helloworld")
         group.addoption(
             "--name",