DOC: Updating readme file (#155)

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[AB#37904](https://sqlclientdrivers.visualstudio.com/c6d89619-62de-46a0-8b46-70b92a84d85e/_workitems/edit/37904)

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> GitHub Issue: #143 

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### Summary   
This pull request updates the `README.md` file to enhance documentation
related to Entra ID authentication. It removes specific notes about
authentication methods and replaces them with a link to a detailed
document for further information.

Documentation updates:

*
[`README.md`](diffhunk://#diff-b335630551682c19a781afebcf4d07bf978fb1f8ac04c6bf87428ed5106870f5L65-R65):
Removed detailed notes about access token, device code, and default
authentication methods, and added a reference link to the Microsoft
Entra ID support document for more comprehensive guidance.

Co-authored-by: Jahnvi Thakkar <jathakkar@microsoft.com>

Author: jahnvi480

README.md

@@ -62,10 +62,7 @@ EntraID authentication is now fully supported on MacOS and Linux but with certai
 | ActiveDirectoryDeviceCode | ✅ Yes | ✅ Yes | Device code flow for authentication; suitable for environments without browser access |
 | ActiveDirectoryDefault | ✅ Yes | ✅ Yes | Uses default authentication method based on environment and configuration |
 
-**NOTE**: 
- - **Access Token**: the connection string **must not** contain `UID`, `PWD`, `Authentication`, or `Trusted_Connection` keywords.
- - **Device Code**: make sure to specify a `Connect Timeout` that provides enough time to go through the device code flow authentication process.
- - **Default**: Ensure you're authenticated via az login, or running within a managed identity-enabled environment.
+> For more information on Entra ID please refer this [document](https://github.com/microsoft/mssql-python/wiki/Microsoft-Entra-ID-support)
 
 ### Enhanced Pythonic Features