test: migrate TcpProxy test configurations to v2 (envoyproxy#8486)

Signed-off-by: Derek Argueta <[email protected]>

Author: derekargueta

test/common/tcp_proxy/BUILD

@@ -13,7 +13,6 @@ envoy_cc_test(
     srcs = ["tcp_proxy_test.cc"],
     deps = [
         "//source/common/buffer:buffer_lib",
-        "//source/common/config:filter_json_lib",
         "//source/common/event:dispatcher_lib",
         "//source/common/network:address_lib",
         "//source/common/network:application_protocol_lib",