Remove XDS size test

tools/internal_ci/linux/grpc_bazel_build_in_docker.sh

@@ -27,20 +27,12 @@ cd /var/local/git/grpc
 
 bazel build :all //test/... //examples/...
 
-BUILD_WITH_XDS_SIZE=$(stat -c %s "bazel-bin/test/cpp/end2end/end2end_test")
 # TODO(jtattersmusch): Adding a build here for --define=grpc_no_xds is not ideal
 # and we should find a better place for this. Refer
 # https://github.com/grpc/grpc/pull/24536#pullrequestreview-517466531 for more
 # details.
 # Test that builds with --define=grpc_no_xds=true work.
 bazel build //test/cpp/end2end:end2end_test --define=grpc_no_xds=true
-BUILD_WITHOUT_XDS_SIZE=$(stat -c %s "bazel-bin/test/cpp/end2end/end2end_test")
-# Test that the binary size with --define=grpc_no_xds=true is smaller
-if [ $BUILD_WITH_XDS_SIZE -le $BUILD_WITHOUT_XDS_SIZE ]
-then
-	echo "Building with --define=grpc_no_xds=true does not reduce binary size"
-	exit 1
-fi
 # Test that builds that need xDS do not build with --define=grpc_no_xds=true
 EXIT_CODE=0
 bazel build //test/cpp/end2end:xds_end2end_test --define=grpc_no_xds=true || EXIT_CODE=$?