Revert bedrock runtime change.

[zzhlogin]

Description of changes:
Revert the following two PRs to avoid using jackson-databind as dependency:

1. Set Up LLM Inference Attributes Auto-Instrumentation Java v1: Set Up LLM Inference Attributes Auto-Instrumentation Java v1 mxiamxia/opentelemetry-java-instrumentation#21
2. Set Up LLM Inference Attributes Auto-Instrumentation Java v2: Set Up LLM Inference Attributes Auto-Instrumentation Java v2 mxiamxia/opentelemetry-java-instrumentation#22

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