revert: feat(ecs): add validation checks to memory cpu combinations of FARGATE compatible task definitions (#31110)

Revert #30166

### Issue # (if applicable)

Closes #<issue number here>.

### Reason for this change



### Description of changes



### Description of how you validated changes



### Checklist
- [ ] My code adheres to the [CONTRIBUTING GUIDE](https://github.com/aws/aws-cdk/blob/main/CONTRIBUTING.md) and [DESIGN GUIDELINES](https://github.com/aws/aws-cdk/blob/main/docs/DESIGN_GUIDELINES.md)

----

*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

Author: xazhao