Update CHANGELOG.md - removed duplicated "Please note:"

CHANGELOG.md

@@ -30,7 +30,7 @@ Version numbers 0.2.x to 0.7.x were intentionally not used to avoid conflicts wi
   - Within notifications the schema `EventNotification`has been replace by `CloudEvent` in accordance with the updated CAMARA Design Guidelines
   - If within `device` an IPv6 address is used it must be a single IPv6 address (out of the prefix used by the device)
 - This release includes changes to be compliant with the [Design Guidelines](https://github.com/camaraproject/Commonalities/blob/release-0.2.0/documentation/API-design-guidelines.md#10-security) and other documents in [release v0.2 of CAMARA Commonalities](https://github.com/camaraproject/Commonalities/tree/release-0.2.0)
-- Please note: this is another v0.x release and further releases before the first stable major v1.x release might introduce breaking changes (e.g. API changes to align with Commonalities updates)
+- This is another v0.x release and further releases before the first stable major v1.x release might introduce breaking changes (e.g. API changes to align with Commonalities updates)
 
 ### Main Changes