Remove unsupported linkstatic attribute after protovalidate migration

Author: Copilot

api/bazel/api_build_system.bzl

@@ -67,7 +67,6 @@ def api_cc_py_proto_library(
         visibility = ["//visibility:private"],
         srcs = [],
         deps = [],
-        linkstatic = 0,
         has_services = 0,
         java = True):
     relative_name = ":" + name
@@ -91,7 +90,6 @@ def api_cc_py_proto_library(
     cc_proto_library_name = name + _CC_PROTO_SUFFIX
     cc_proto_library(
         name = cc_proto_library_name,
-        linkstatic = linkstatic,
         deps = [relative_name],
         visibility = ["//visibility:public"],
     )

bazel/envoy_library.bzl

@@ -217,9 +217,6 @@ def envoy_cc_win32_library(name, srcs = [], hdrs = [], **kargs):
 def envoy_proto_library(name, visibility = ["//visibility:public"], **kwargs):
     api_cc_py_proto_library(
         name,
-        # Avoid generating .so, we don't need it, can interfere with builds
-        # such as OSS-Fuzz.
-        linkstatic = 1,
         visibility = visibility,
         **kwargs
     )