Revert unrelated documentation changes

Author: amritamishra01

doc/api.rst

@@ -3,8 +3,6 @@ API
 
 .. module:: pyperf
 
-The module version...
-
 The module version can be read from ``pyperf.VERSION`` (tuple of int) or
 ``pyperf.__version__`` (str).
 
@@ -195,7 +193,7 @@ Benchmark class
 
       Format values including the unit.
 
-   .. method:: get_dates()
+   .. method:: get_dates() -> (datetime.datetime, datetime.datetime) or None
 
       Get the start date of the first run and the end date of the last run.
 
@@ -654,6 +652,10 @@ Runner class
 
       See the :ref:`bench_time_func() example <bench_time_func_example>`.
 
+   .. method:: is_worker()
+
+      Return True if the current process was started with --worker, and False otherwise.
+
    .. method:: parse_args(args=None)
 
       Parse command line arguments using :attr:`argparser` and put the result

doc/conf.py

@@ -24,14 +24,7 @@
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-extensions = [
-    'sphinx.ext.autodoc',
-    'sphinx.ext.intersphinx',
-]
-
-intersphinx_mapping = {
-    'python': ('https://docs.python.org/3', None),
-}
+extensions = []
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['templates']