readme: remove out of date "Compiling on Windows"

Author: markotoplak

README.md

@@ -71,22 +71,3 @@ To start Orange GUI from the command line, run:
     python3 -m Orange.canvas
 
 Append `--help` for a list of program options.
-
-
-Compiling on Windows
---------------------
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-Get appropriate wheels for missing libraries. You will need [numpy+mkl] and [scipy].
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-[numpy+mkl]: http://www.lfd.uci.edu/~gohlke/pythonlibs/#numpy
-[scipy]: http://www.lfd.uci.edu/~gohlke/pythonlibs/#scipy
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-Install them with
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-    pip install <wheel name>.whl
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-Install [Visual Studio compiler]. Then go to Orange3 folder and run:
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-[Visual Studio compiler]: https://developer.microsoft.com/en-us/windows/downloads
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-    python setup.py build_ext -i --compiler=msvc install