stripped out handlers for future PR

Author: daniel-sanche

google/cloud/bigtable/data/_metrics/__init__.py

@@ -11,13 +11,6 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-from google.cloud.bigtable.data._metrics.handlers.opentelemetry import (
-    OpenTelemetryMetricsHandler,
-)
-from google.cloud.bigtable.data._metrics.handlers.gcp_exporter import (
-    GoogleCloudMetricsHandler,
-)
-from google.cloud.bigtable.data._metrics.handlers._stdout import _StdoutMetricsHandler
 from google.cloud.bigtable.data._metrics.metrics_controller import (
     BigtableClientSideMetricsController,
 )
@@ -27,9 +20,6 @@
 
 __all__ = (
     "BigtableClientSideMetricsController",
-    "OpenTelemetryMetricsHandler",
-    "GoogleCloudMetricsHandler",
-    "_StdoutMetricsHandler",
     "OperationType",
     "ActiveOperationMetric",
 )