removing mentions of -examples repo from the README (#226)

Author: slayoo

README.md

@@ -30,7 +30,7 @@ import PyPartMC
 
 #### Jupyter notebooks with examples 
 
-- Urban plum scenario demo (as in [PartMC](https://github.com/compdyn/partmc/tree/master/scenarios/1_urban_plume)):
+- Urban plum scenario demo (as in [PartMC](https://github.com/compdyn/partmc/tree/master/scenarios/1_urban_plume)):    
 [![nbviewer](https://raw.githubusercontent.com/jupyter/design/master/logos/Badges/nbviewer_badge.svg)](https://nbviewer.jupyter.org/github/open-atmos/PyPartMC/blob/main/examples/particle_simulation.ipynb)
 [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/open-atmos/PyPartMC/blob/main/examples/particle_simulation.ipynb)
 [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/open-atmos/PyPartMC.git/main?urlpath=lab/tree/examples/particle_simulation.ipynb)
@@ -45,7 +45,7 @@ import PyPartMC
 - works on Linux, macOS and Windows (compatibility assured with [CI builds](https://github.com/open-atmos/PyPartMC/blob/main/.github/workflows/tests.yml))
 - hassle-free installation using `pip` (prior PartMC installation **not needed**)
 - works out of the box on [mybinder.org](https://mybinder.org/), [Google Colab](colab.research.google.com/) and alike
-- ships with [a set of examples](https://github.com/open-atmos/PyPartMC-examples) maintained in a form of Jupyter notebooks
+- ships with [a set of examples](https://github.com/open-atmos/PyPartMC/tree/main/examples) maintained in a form of Jupyter notebooks
 - Pythonic API (but retaining PartMC jargon) incl. Python GC deallocation of Fortran objects
 - specification of parameters using native Python datatypes (lists, dicts) in place of PartMC spec files
 - code snippets in README depicting how to use PyPartMC from Julia (also executed on CI)
@@ -76,10 +76,6 @@ print(ppmc.__version__)
 gas_data = ppmc.GasData(("H2SO4", "HNO3", "HCl", "NH3", "NO", "NO2"))
 ```
 
-#### Jupyter notebooks with examples
-
-See the [PyPartMC-examples](https://github.com/open-atmos/PyPartMC-examples) project.
-
 #### usage in other projects
 
 PyPartMC is used within the [test workflow of the PySDM project](https://github.com/atmos-cloud-sim-uj/PySDM/tree/main/tests/smoke_tests/partmc).