remove colorbar_kwargs label, we will use the default handling, which will be adapted in near future

Author: fs446

doc/examples/wfs-referencing.ipynb

@@ -57,8 +57,7 @@
     "    fig, [ax_amp, ax_lvl] = plt.subplots(2, 1, sharex=True)\n",
     "    fig.set_figheight(fig.get_figwidth() * 3/2)\n",
     "    sfs.plot2d.amplitude(p, grid, vmax=2, vmin=-2, ax=ax_amp)\n",
-    "    sfs.plot2d.level(p, grid, vmax=6, vmin=-6, ax=ax_lvl,\n",
-    "                     colorbar_kwargs={'label': 'dB'})\n",
+    "    sfs.plot2d.level(p, grid, vmax=6, vmin=-6, ax=ax_lvl)\n",
     "    sfs.plot2d.level_contour(p, grid, levels=[0], colors='w', ax=ax_lvl)\n",
     "    for ax in ax_amp, ax_lvl:\n",
     "        sfs.plot2d.loudspeakers(array.x, array.n, selection, size=0.125, ax=ax)\n",