Remove unused constant.

Author: phipag

aws_lambda_powertools/shared/constants.py

@@ -8,9 +8,6 @@
 MIDDLEWARE_FACTORY_TRACE_ENV: str = "POWERTOOLS_TRACE_MIDDLEWARES"
 INVALID_XRAY_NAME_CHARACTERS = r"[?;*()!$~^<>]"
 
-# OpenTelemetry Tracer constants
-OTEL_SDK_MODULE: str = "opentelemetry"
-
 # Logger constants
 # maintenance: future major version should start having localized `constants.py` to ease future modularization
 LOGGER_LOG_SAMPLING_RATE: str = "POWERTOOLS_LOGGER_SAMPLE_RATE"