github: Remove ASLR entropy workaround.

The issue should be fixed by now.

Acked-by: David Marchand <david.marchand@redhat.com>
Acked-by: Dumitru Ceara <dceara@redhat.com>
Acked-by: Eelco Chaudron <echaudro@redhat.com>
Acked-by: Kevin Traynor <ktraynor@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>

.github/workflows/build-and-test.yml

@@ -200,14 +200,6 @@ jobs:
       if:   matrix.m32 != ''
       run:  sudo apt install -y gcc-multilib
 
-    - name: Reduce ASLR entropy
-      if:   matrix.asan != '' || matrix.ubsan != ''
-      # Asan in llvm 14 provided in ubuntu-22.04 is incompatible with
-      # high-entropy ASLR configured in much newer kernels that GitHub
-      # runners are using leading to random crashes:
-      #   https://github.com/actions/runner-images/issues/9491
-      run: sudo sysctl -w vm.mmap_rnd_bits=28
-
     - name: prepare
       run:  ./.ci/linux-prepare.sh