Revert "Reland "[ Service / package:dds ] Add stream support to package:dds and enable DDS for VM service tests""

This reverts commit e5b85792da as it seems to have broken service/pause_on_start_and_exit_with_child_test/service https://ci.chromium.org/p/dart/builders/ci.sandbox/app-kernel-linux-debug-x64/5877

Change-Id: Idb9df51816eebfb58137c449c6461731c77409f0
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/143881
Reviewed-by: Ben Konyi <bkonyi@google.com>
Commit-Queue: Ben Konyi <bkonyi@google.com>

tools/bots/test_matrix.json

@@ -327,7 +327,6 @@
       "pkg/dart_internal/",
       "pkg/dart2native/",
       "pkg/dart2js_tools/",
-      "pkg/dds/",
       "pkg/expect/",
       "pkg/front_end/",
       "pkg/js/",
@@ -413,7 +412,6 @@
       "pkg/dart_internal/",
       "pkg/dart2native/",
       "pkg/dart2js_tools/",
-      "pkg/dds/",
       "pkg/expect/",
       "pkg/front_end/",
       "pkg/js/",