removed obsolete "sqr" function

git-svn-id: https://pycam.svn.sourceforge.net/svnroot/pycam/trunk@537 bbaffbd6-741e-11dd-a85d-61de82d9cad9

src/pycam/Geometry/utils.py

@@ -23,6 +23,3 @@ along with PyCAM.  If not, see <http://www.gnu.org/licenses/>.
 INFINITE = 10000
 epsilon = 0.0001
 
-def sqr(x):
-    return x*x
-