Remove deprecated warning message for Fast DDS v3.0.0 release

Signed-off-by: Irene Bandera <[email protected]>

README.md

@@ -12,11 +12,6 @@
 
 <br><br>
 
-<!-- TODO(rsanchez15): Remove this before releasing v3.0.0 -->
-> [!WARNING]
-> **In preparation for Fast DDS v3.0.0, eProsima/dev-utils' master branch is undergoing major changes entailing API breaks.**
-> **Until Fast DDS v3.0.0 is released, it is strongly advisable to use the latest stable branch, [0.x](https://github.com/eProsima/dev-utils/tree/0.x), which uses Fast DDS 2.14.x**.
-
 The packages that conform this repository are:
 
 * **CMake utils**: `cmake_utils` CMake utilities to build packages.