Use rust-bindgen from Arch repositories

Since 6.11 the Linux kernel supports building with newer versions as
well, so we can depend on the version from the official repositories.

Author: rnestler

.SRCINFO

@@ -15,6 +15,7 @@ pkgbase = linux-rust
 	makedepends = perl
 	makedepends = python
 	makedepends = rustup
+	makedepends = rust-bindgen
 	makedepends = tar
 	makedepends = xz
 	makedepends = graphviz

PKGBUILD

@@ -18,6 +18,7 @@ makedepends=(
   perl
   python
   rustup
+  rust-bindgen
   tar
   xz
 
@@ -77,9 +78,6 @@ prepare() {
   echo "Installing rust-src"
   rustup component add rust-src
 
-  echo "Installing rust-bindgen"
-  cargo install --locked --version 0.65.1 bindgen-cli
-
   echo "Verifying that Rust support is available"
   make LLVM=1 rustavailable