removed deprecated MEG class (#422)

* removed deprecated MEG class

* lint

LFPy/__init__.py

@@ -48,7 +48,12 @@
     four-sphere head model (brain, CSF, skull, scalp)
   * ``InfiniteVolumeConductor`` - To compute extracellular potentials with
     current dipoles in infinite volume conductor
-  * ``MEG`` - Class for computing magnetic field from current dipole moment
+  * ``InfiniteHomogeneousVolCondMEG`` - Class for computing magnetic field from
+    current dipole moment assuming an infinite homogeneous volume conductor
+  * ``SphericallySymmetricVolCondMEG`` - Class for computing magnetic field
+    from current dipole moment assuming a spherically symmetric volume
+    conductor
+
 :Modules:
   * ``lfpcalc`` - Misc. functions used by RecExtElectrode class
   * ``tools`` - Some convenient functions
@@ -68,7 +73,7 @@
 from .network import NetworkCell, NetworkPopulation, Network
 from .test import _test as run_tests
 from .eegmegcalc import FourSphereVolumeConductor, InfiniteVolumeConductor, \
-    MEG, InfiniteHomogeneousVolCondMEG, SphericallySymmetricVolCondMEG, \
+    InfiniteHomogeneousVolCondMEG, SphericallySymmetricVolCondMEG, \
     NYHeadModel
 from lfpykit import lfpcalc
 from . import tools

LFPy/eegmegcalc.py

@@ -274,17 +274,6 @@ def get_multi_dipole_potential(self, cell,
         return potentials
 
 
-class MEG(lfpykit.eegmegcalc.InfiniteHomogeneousVolCondMEG):
-    def __init__(self, sensor_locations, mu=4 * np.pi * 1E-7):
-        warn(
-            "class MEG is deprecated and will be removed. Use "
-            "InfiniteHomogeneousVolCondMEG or SphericallySymmetricVolCondMEG "
-            "instead",
-            DeprecationWarning, 2
-        )
-        super().__init__(sensor_locations, mu)
-
-
 class InfiniteHomogeneousVolCondMEG(
         lfpykit.eegmegcalc.InfiniteHomogeneousVolCondMEG):
     """