Specification Misalignment: Discrepancies Between the DSEP spec and the referenced Core Spec

**Issue Details:**

**Problem Statement:**
The DSEP specification outlined in the /api folder([link to the DSEP specification definition](https://github.com/beckn/DSEP-Specification/blob/draft/api/dsep-v0.7.0.yaml)) references the core spec version 1.1.0, but discrepancies exist in their adherence to the referenced core spec. The discrepancies are listed below.

**1. The structure of the DSEP specification deviates from the Beckn core specification in the handling of **location** information. For instance:**

In the Beckn core protocol specification context, the **location** object encapsulates both **city** and **country**:

```
"location": {
"city": {
"name": "Bangalore",
"code": "std:080"
},
"country": {
"name": "India",
"code": "IND"
}
}
```
However, the DSEP specification does not include a **location** object within **context**. Instead, **city** and **country** are directly placed inside **context**:

```
"country": "IND",
"city": "std:080"
```

**2. The examples that are used in the specification yaml (dsep-v0.7.yaml) are not as per the core-v1.1 specification.** [Link](https://github.com/beckn/DSEP-Specification/blob/master/api/dsep-v0.7.0.yaml#L55)
**3. Unused components are present in the specification yaml. For example, Policy, StructuredAddress, FullAddress, FeedbackUrl, FeedbackFormElement, FeedbackForm & Feedback schema is defined in the dsep-v0.7.yaml but are not used.**
**4. Rating & on_rating specs is not as per core-v1.1.yaml** [Link](https://github.com/beckn/DSEP-Specification/blob/master/api/dsep-v0.7.0.yaml#L549)

It is essential to investigate these inconsistencies and rectify the misalignment between the DSEP specification and the referenced Beckn core protocol specification.

Start by comparing api/dsep-v0.7.0.yaml with the referenced Beckn core-v1.1 specification, focusing on context location, the examples, unused components, and Rating/on_rating. Done means the DSEP schemas and examples are aligned with core-v1.1 and unused definitions are removed or justified.

Written by the indexing model from the issue text.