Add pyaedt as a dependency (#834)

* Add pyaedt as a dependency

* Remove pythonnet and pyvista comments from requirements.txt

requirements.txt

@@ -14,7 +14,5 @@ qutip
 scipy
 shapely  #using conda on Windows OS: pip install of shapely will fail on import for missing geos_c.dll, if <= v1.7.x. For as long as a 1.8.0 version is not released (already patched in github), you will need to run `conda install shapely` (before installing qiskit_metal).
 scqubits
-#pyvista # pyvista is needed for pyaetd
-#pythonnet # pythonnet is needed for pyaedt
-#PyAEDT   #since conda-forge doesn't have pyaedt, we have to manually pip install or completely switch to virtualenv .  virtualenv uses less memory than conda. 
+pyaedt   #since conda-forge doesn't have pyaedt, we have to manually pip install or completely switch to virtualenv .  virtualenv uses less memory than conda. 
 # jupyter (if you need a fresh install) or ipykernel (if you prefer to make of this a new kernel to use from an existing jupyter install)