tests: Reduce verbosity of wait_for_cilium_ep_gen
tests: Reduce verbosity of wait_for_cilium_ep_gen

These messages appear to be useful for debugging the test helper
scripts, but they aren't so useful for debugging test failures. Remove
them.

Signed-off-by: Joe Stringer <16a9a54ddf4259952e3c118c763138e83693d7fd@covalent.io>

michi-covalent/cilium,gumpt/cilium,tgraf/cilium,cilium/cilium,michi-covalent/cilium,scanf/cilium,scanf/cilium,tklauser/cilium,michi-covalent/cilium,tklauser/cilium,eloycoto/cilium,scanf/cilium,tgraf/cilium,tgraf/cilium,scanf/cilium,gumpt/cilium,eloycoto/cilium,tgraf/cilium,eloycoto/cilium,gumpt/cilium,tklauser/cilium,eloycoto/cilium,cilium/cilium,scanf/cilium,cilium/cilium,eloycoto/cilium,cilium/cilium,tgraf/cilium,gumpt/cilium,gumpt/cilium,michi-covalent/cilium,cilium/cilium,gumpt/cilium,cilium-team/cilium,eloycoto/cilium,tgraf/cilium,gumpt/cilium,eloycoto/cilium,scanf/cilium,michi-covalent/cilium,cilium-team/cilium,scanf/cilium,tklauser/cilium,tklauser/cilium