updating ec2-default-test

Author: Miqueasher

.github/workflows/python-ec2-default-test.yml

@@ -53,7 +53,6 @@ env:
   CPU_ARCHITECTURE: ${{ inputs.cpu-architecture }}
   ADOT_WHEEL_NAME: ${{ inputs.staging-wheel-name }}
   OTEL_SOURCE: ${{ inputs.otel-source }}
-  CUSTOM_METRICS_ENABLED: ${{ inputs.custom-metrics-enabled }}
   SAMPLE_APP_ZIP: s3://aws-appsignals-sample-app-prod-${{ inputs.aws-region }}/python-sample-app-delete-me.zip
   E2E_TEST_ACCOUNT_ID: ${{ secrets.APPLICATION_SIGNALS_E2E_TEST_ACCOUNT_ID }}
   E2E_TEST_ROLE_NAME: ${{ secrets.APPLICATION_SIGNALS_E2E_TEST_ROLE_NAME }}