Remove Parquet Exporter from contrib distro (#413)

Author: atoulme

distributions/otelcol-contrib/manifest.yaml

@@ -66,7 +66,6 @@ exporters:
   - gomod: github.com/open-telemetry/opentelemetry-collector-contrib/exporter/lokiexporter v0.86.0
   - gomod: github.com/open-telemetry/opentelemetry-collector-contrib/exporter/mezmoexporter v0.86.0
   - gomod: github.com/open-telemetry/opentelemetry-collector-contrib/exporter/opencensusexporter v0.86.0
-  - gomod: github.com/open-telemetry/opentelemetry-collector-contrib/exporter/parquetexporter v0.86.0
   - gomod: github.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusexporter v0.86.0
   - gomod: github.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusremotewriteexporter v0.86.0
   - gomod: github.com/open-telemetry/opentelemetry-collector-contrib/exporter/pulsarexporter v0.86.0