CLN: Assorted (#52938)

* clean unused license, c funcs, 1.1.0 reference

* Revert headers

* Clean more 1.1 references

Author: mroeschke

LICENSES/OTHER

@@ -26,24 +26,6 @@ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 POSSIBILITY OF SUCH DAMAGE.
 
-google-api-python-client license
---------------------------------
-
-Copyright (C) 2012 Google Inc.
-All rights reserved.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-     http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-
 Pyperclip v1.3 license
 ----------------------
 

doc/source/user_guide/merging.rst

@@ -1454,8 +1454,6 @@ Comparing objects
 The :meth:`~Series.compare` and :meth:`~DataFrame.compare` methods allow you to
 compare two DataFrame or Series, respectively, and summarize their differences.
 
-This feature was added in :ref:`V1.1.0 <whatsnew_110.dataframe_or_series_comparing>`.
-
 For example, you might want to compare two ``DataFrame`` and stack their differences
 side by side.
 

doc/source/user_guide/window.rst

@@ -287,8 +287,6 @@ and we want to use an expanding window where ``use_expanding`` is ``True`` other
 
 You can view other examples of ``BaseIndexer`` subclasses `here <https://github.com/pandas-dev/pandas/blob/main/pandas/core/indexers/objects.py>`__
 
-.. versionadded:: 1.1
-
 One subclass of note within those examples is the ``VariableOffsetWindowIndexer`` that allows
 rolling operations over a non-fixed offset like a ``BusinessDay``.
 

pandas/io/json/_json.py

@@ -641,8 +641,6 @@ def read_json(
         This can only be passed if `lines=True`.
         If this is None, all the rows will be returned.
 
-        .. versionadded:: 1.1
-
     {storage_options}
 
         .. versionadded:: 1.2.0