Revert "Update README.md to fix the layout of the figure" (#152)

README.md

@@ -65,8 +65,6 @@ mesh = pm.frontal_delaunay_2d(edge_source, target_sizes=2.0)
 
 To visualize the model we can use PyVista.
 
-[<img src="https://raw.githubusercontent.com/pyvista/pvgmsh/main/docs/_static/frontal_delaunay_2d_01.png" align="right" width="500">](https://github.com/pyvista/pvgmsh/main/docs/_static/frontal_delaunay_2d_01.png)
-
 ```python
 plotter = pv.Plotter()
 _ = plotter.add_mesh(
@@ -90,15 +88,15 @@ _ = plotter.add_legend(
 plotter.show(cpos="xy")
 ```
 
+![2D mesh](/docs/_static/frontal_delaunay_2d_01.png)
+
 We can also generate a 3D mesh.
 
 ```python
 edge_source = pv.Cube()
 mesh = pm.delaunay_3d(edge_source, target_sizes=0.4)
 ```
 
-[<img src="https://raw.githubusercontent.com/pyvista/pvgmsh/main/docs/_static/delaunay_3d_01.png" align="right" width="500">](https://github.com/pyvista/pvgmsh/main/docs/_static/delaunay_3d_01.png)
-
 ```python
 plotter = pv.Plotter()
 _ = plotter.add_mesh(
@@ -127,6 +125,8 @@ _ = plotter.add_axes(
 plotter.show()
 ```
 
+![3D mesh](/docs/_static/delaunay_3d_01.png)
+
 ## Contributions
 
 [![Contributor Covenant](https://img.shields.io/badge/contributor%20covenant-2.1-4baaaa.svg)](https://github.com/pyvista/pvgmsh/blob/main/CODE_OF_CONDUCT.md)