remove space in step-63 dox

this trips up doxygen and messes up formatting

diff --git a/examples/step-63/doc/intro.dox b/examples/step-63/doc/intro.dox
index 39e4563aab9cb6db8add5b3777abd4a4a766f63e..cf874a25b33df9b1fc974e88d33df6f35c973059 100644 (file)
--- a/examples/step-63/doc/intro.dox
+++ b/examples/step-63/doc/intro.dox
@@ -260,7 +260,6 @@ of the standard Galerkin finite element method for this problem.
     <td align="center">
       <img src="https://www.dealii.org/images/steps/developer/step-63-solution.png" alt="">
     </td>
-
     <td align="center">
       <img src="https://www.dealii.org/images/steps/developer/step-63-solution-no-sd.png" alt="">
     </td>