[fuchsia] Remove reference to deleted tool.
Need to fast-follow with adding this back for debug symbol support.
diff --git a/tools/fuchsia/devshell/build_and_copy_to_fuchsia.sh b/tools/fuchsia/devshell/build_and_copy_to_fuchsia.sh
index 1fa9340..e4af23e 100755
--- a/tools/fuchsia/devshell/build_and_copy_to_fuchsia.sh
+++ b/tools/fuchsia/devshell/build_and_copy_to_fuchsia.sh
@@ -108,8 +108,7 @@
engine-info "Copying the patched SDK (dart:ui, dart:zircon, dart:fuchsia) to Fuchsia..."
cp -ra "${fuchsia_out_dir}"/flutter_runner_patched_sdk/* "$FUCHSIA_DIR"/prebuilt/third_party/flutter/"${fuchsia_cpu}"/release/aot/flutter_runner_patched_sdk/
-engine-info "Registering debug symbols..."
-"$ENGINE_DIR"/fuchsia/sdk/linux/tools/x64/symbol-index add "${fuchsia_out_dir}"/.build-id "${fuchsia_out_dir}"
+# TODO(akbiggs): Register debug symbols.
if [[ "${runtime_mode}" == release ]]
then
