[GPU Backend] [Doc]: Remove duplicate statements on missing GPU wheels. (#29962)

Signed-off-by: Ioana Ghiban <ioana.ghiban@arm.com>

docs/getting_started/installation/gpu.rocm.inc.md

@@ -5,9 +5,6 @@ vLLM supports AMD GPUs with ROCm 6.3 or above, and torch 2.8.0 and above.
 !!! tip
     [Docker](#set-up-using-docker) is the recommended way to use vLLM on ROCm.
 
-!!! warning
-    There are no pre-built wheels for this device, so you must either use the pre-built Docker image or build vLLM from source.
-
 # --8<-- [end:installation]
 # --8<-- [start:requirements]
 

docs/getting_started/installation/gpu.xpu.inc.md

@@ -2,9 +2,6 @@
 
 vLLM initially supports basic model inference and serving on Intel GPU platform.
 
-!!! warning
-    There are no pre-built wheels for this device, so you need build vLLM from source. Or you can use pre-built images which are based on vLLM released versions.
-
 # --8<-- [end:installation]
 # --8<-- [start:requirements]