Fix or remove tests: MeshHTTPRoute (E2E Multizone Suite)

[bartsmykla]

These tests are currently disabled. We should check if they're still relevant. If they are, we should fix them; if not, we should remove them.

Skipped test cases

kuma/test/e2e_env/multizone/meshhttproute/test.go

Line 90 in 02a8b25

XIt("should use MeshHTTPRoute for cross-zone communication", func() {

kuma/test/e2e_env/multizone/meshhttproute/test.go

Line 131 in 02a8b25

XIt("should use MeshHTTPRoute for cross-zone with MeshServiceSubset", func() {