kafka broker filter: move to contrib (#17750)

Part of https://github.com/envoyproxy/envoy/issues/14078

Signed-off-by: Matt Klein <mklein@lyft.com>

Mirrored from https://github.com/envoyproxy/envoy @ 43311b95392c6216320b6f4125f094a773ced2b2

BUILD

@@ -58,6 +58,7 @@ proto_library(
     visibility = ["//visibility:public"],
     deps = [
         "//contrib/envoy/extensions/filters/http/squash/v3:pkg",
+        "//contrib/envoy/extensions/filters/network/kafka_broker/v3:pkg",
         "//envoy/admin/v3:pkg",
         "//envoy/config/accesslog/v3:pkg",
         "//envoy/config/bootstrap/v3:pkg",
@@ -159,7 +160,6 @@ proto_library(
         "//envoy/extensions/filters/network/echo/v3:pkg",
         "//envoy/extensions/filters/network/ext_authz/v3:pkg",
         "//envoy/extensions/filters/network/http_connection_manager/v3:pkg",
-        "//envoy/extensions/filters/network/kafka_broker/v3:pkg",
         "//envoy/extensions/filters/network/local_ratelimit/v3:pkg",
         "//envoy/extensions/filters/network/mongo_proxy/v3:pkg",
         "//envoy/extensions/filters/network/mysql_proxy/v3:pkg",

versioning/BUILD

@@ -10,6 +10,7 @@ proto_library(
     visibility = ["//visibility:public"],
     deps = [
         "//contrib/envoy/extensions/filters/http/squash/v3:pkg",
+        "//contrib/envoy/extensions/filters/network/kafka_broker/v3:pkg",
         "//envoy/admin/v3:pkg",
         "//envoy/config/accesslog/v3:pkg",
         "//envoy/config/bootstrap/v3:pkg",
@@ -111,7 +112,6 @@ proto_library(
         "//envoy/extensions/filters/network/echo/v3:pkg",
         "//envoy/extensions/filters/network/ext_authz/v3:pkg",
         "//envoy/extensions/filters/network/http_connection_manager/v3:pkg",
-        "//envoy/extensions/filters/network/kafka_broker/v3:pkg",
         "//envoy/extensions/filters/network/local_ratelimit/v3:pkg",
         "//envoy/extensions/filters/network/mongo_proxy/v3:pkg",
         "//envoy/extensions/filters/network/mysql_proxy/v3:pkg",