Fix unresolved-import errors when using Astral's ty by removing src.root (#35681)

Signed-off-by: Tyler Michael Smith <tlrmchlsmth@gmail.com>

pyproject.toml

@@ -117,7 +117,6 @@ markers = [
 ]
 
 [tool.ty.src]
-root = "./vllm"
 respect-ignore-files = true
 
 [tool.ty.environment]
@@ -311,4 +310,4 @@ windo = "windo"
 [tool.typos.type.vimscript.extend-words]
 
 [tool.uv]
-no-build-isolation-package = ["torch"]
\ No newline at end of file
+no-build-isolation-package = ["torch"]