Refactoring: ec2: Move normalize functions to module_utils

[GomathiselviS]

Summary

Reference: https://github.com/ansible-collections/amazon.aws/pull/1998/files

normalize functions and other shared portions of code present in the ec2 modules can be relocated to module_utils/ec2.py.

This proposal aims to refactor our codebase, making the module files more maintainable and comprehensible.

Issue Type

Feature Idea

Component Name

ec2_*.py

Additional Information

Code of Conduct

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