bazel: fix -no_deduplicate for test targets
bazel: fix -no_deduplicate for test targets

I accidentally only added this flag to fuzz tests, this moves it to the
private `_envoy_test_linkopts` function which is used by all test
targets in this file.

2a3643ec5d90b6302b13196e21ce0df14fb99c92

Signed-off-by: Keith Smiley <cadcacca0656fa2178c91a0e61e28374cd3a79c3@gmail.com>

envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy