boot/xilinx-prebuilt: remove xilinx_v2024.2 hash

Now that the versal defconfigs have been bumped to the new default version
xilinx_v2024.2_update1, the xilinx_v2024.2 hash can be removed.

Signed-off-by: Neal Frager <neal.frager@amd.com>
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>

boot/xilinx-prebuilt/xilinx-prebuilt.hash

@@ -1,5 +1,4 @@
 # Locally calculated
-sha256  ef61a4b249ecbf632a25cc34c3b03b8290be44397ff739467ac92ec1701e23bf  xilinx-prebuilt-xilinx_v2024.2.tar.gz
 sha256  86ee9629366aa8c0d70b87202152a793804ed4090e3a6fdac4eaf855bcc4d458  xilinx-prebuilt-xilinx_v2024.2_update1.tar.gz
 
 # Locally calculated