docs: Overview.rst: remove outdated info

docs/source/Overview.rst

@@ -28,20 +28,6 @@ A paper explaining most of the implementation details and benchmarking can be fo
     publisher={eLife Sciences Publications Limited}
   }
 
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-Developers/Contributors
------------------------
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-CaImAn is being developed at the `Flatiron Institute <https://www.simonsfoundation.org/flatiron/>`_ with numerous contributions from the broader community. The main developers are
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-* Eftychios A. Pnevmatikakis, Flatiron Institute
-* Andrea Giovannucci, University of North Carolina at Chapel Hill, previously at Flatiron Institute
-* Johannes Friedrich, Flatiron Institute
-* Pat Gunn, Flatiron Institute
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-A complete list of contributors can be found `here <https://github.com/flatironinstitute/CaImAn/graphs/contributors>`_.
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-
 Questions, comments, issues
 ---------------------------