[test] removes accidentally added gdt constants

dune/xt/common/test/main.hxx

@@ -60,10 +60,6 @@
 
 #include "common.hh"
 
-static const double LocalizableProjectionOperator_default_tolerance = 1e-15;
-static const double LocalizableProjectionOperator_alugrid_tolerance = 3.8e-11;
-static const double L2ProjectionLocalizableOperator_alugrid_tolerance = 3.7965e-11;
-
 int main(int argc, char** argv)
 {
   using namespace Dune;