rust: meson: remove unnecessary complication in device crates

It is not necessary anymore to explicitly list procedural macro crates
when doing the final link using rustc.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250908105005.2119297-33-pbonzini@redhat.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

rust/hw/char/pl011/meson.build

@@ -44,8 +44,5 @@ _libpl011_rs = static_library(
 
 rust_devices_ss.add(when: 'CONFIG_X_PL011_RUST', if_true: [declare_dependency(
   link_whole: [_libpl011_rs],
-  # Putting proc macro crates in `dependencies` is necessary for Meson to find
-  # them when compiling the root per-target static rust lib.
-  dependencies: [bilge_impl_rs, qemu_macros],
   variables: {'crate': 'pl011'},
 )])

rust/hw/timer/hpet/meson.build

@@ -16,8 +16,5 @@ _libhpet_rs = static_library(
 
 rust_devices_ss.add(when: 'CONFIG_X_HPET_RUST', if_true: [declare_dependency(
   link_whole: [_libhpet_rs],
-  # Putting proc macro crates in `dependencies` is necessary for Meson to find
-  # them when compiling the root per-target static rust lib.
-  dependencies: [qemu_macros],
   variables: {'crate': 'hpet'},
 )])