removes heap-overflow test

31 jobs for wagnandr/stokes-eg-example in 30 minutes and 52 seconds (queued for 4 seconds)
Name Stage Failure
failed
clang_13.0_mpionly_eigen_petsc_trilinos Pretest
            midpoint[d] += affineElementVertices[i][d] / 3.;
~~~~~~~~~~~~~~~~~~~~~ ^
1 error generated.
make[2]: *** [src/hyteg/CMakeFiles/hyteg.dir/build.make:18315: src/hyteg/CMakeFiles/hyteg.dir/p1dgefunctionspace/P1DGEFunction.cpp.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [CMakeFiles/Makefile2:20953: src/hyteg/CMakeFiles/hyteg.dir/all] Error 2
make: *** [Makefile:141: all] Error 2
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1