Revert "Add ALTS C stack to gRPC core"

1 files changed, 1 insertions, 8 deletions

diff --git a/bazel/grpc_build_system.bzl b/bazel/grpc_build_system.bzl
index 662068ad2a..7bc186265d 100644
--- a/bazel/grpc_build_system.bzl
+++ b/bazel/grpc_build_system.bzl
@@ -57,12 +57,6 @@ def _maybe_update_cc_library_hdrs(hdrs):
       ret.append(h)
   return ret
 
-def _maybe_update_cc_library_defines(name):
-  ret = []
-  if name == "alts_proto":
-    ret += ["PB_FIELD_16BIT=1"]
-  return ret
-
 def grpc_cc_library(name, srcs = [], public_hdrs = [], hdrs = [],
                     external_deps = [], deps = [], standalone = False,
                     language = "C++", testonly = False, visibility = None,
@@ -70,11 +64,10 @@ def grpc_cc_library(name, srcs = [], public_hdrs = [], hdrs = [],
   copts = []
   if language.upper() == "C":
     copts = if_not_windows(["-std=c99"])
-  defines = _maybe_update_cc_library_defines(name)
   native.cc_library(
     name = name,
     srcs = srcs,
-    defines = defines + select({"//:grpc_no_ares": ["GRPC_ARES=0"],
+    defines = select({"//:grpc_no_ares": ["GRPC_ARES=0"],
                       "//conditions:default": [],}) +
               select({"//:remote_execution":  ["GRPC_PORT_ISOLATED_RUNTIME=1"],
                       "//conditions:default": [],}) +