DOC: rename OSX -> macOS as it is the new name (#1349)

* rename OSX -> macOS as it is the new name

rename OSX -> macOS as it is the new name for the operating system. e.g. see https://www.apple.com/macos

* Update doc/installation.rst

Co-authored-by: Matthias Feurer <[email protected]>

* Update doc/installation.rst

Co-authored-by: Matthias Feurer <[email protected]>

Co-authored-by: Matthias Feurer <[email protected]>
Co-authored-by: Matthias Feurer <[email protected]>

Author: 2 people

doc/installation.rst

@@ -125,28 +125,6 @@ missed the `--recurse-submodules` option.
     pip install -e ".[test,doc,examples]"
 
 
-You can install auto-sklearn directly form source by following the below:
-
-.. code:: bash
-
-    git clone --recurse-submodules [email protected]:automl/auto-sklearn.git
-    cd auto-sklearn
-
-    # Install it in editable mode with all optional dependencies
-    pip install -e ".[test,doc,examples]"
-
-We use submodules so you will have to make sure the submodule is initialized if you
-missed the `--recurse-submodules` option.
-
-.. code:: bash
-
-    git clone [email protected]:automl/auto-sklearn.git
-    cd auto-sklearn
-    git submodule update --init --recursive
-
-    pip install -e ".[test,doc,examples]"
-
-
 Windows/macOS compatibility
 ===========================