Remove unused variable

het2bcontact.cc

@@ -303,7 +303,7 @@ int main (int argc, char *argv[]) try
         OperatorType bilinearForm;
         contactAssembler.assembleJacobian(submat, bilinearForm);
 
-        VectorType canonicalTotalX, totalX, totalRhs;
+        VectorType totalX, totalRhs;
 
         contactAssembler.nodalToTransformed(x, totalX);