wayland: Remove atspi protocol

If we want to use the `org.freedesktop.a11y.KeyboardMonitor` protocol on
Pop!_OS, there is no need to support the Cosmic-specific protocol that
requires an `at-spi2-core` patch.

Cargo.lock

@@ -853,7 +853,6 @@ dependencies = [
  "profiling",
  "rand 0.9.2",
  "regex",
- "reis",
  "ron",
  "rust-embed",
  "rustix 1.1.2",
@@ -4511,16 +4510,6 @@ version = "0.8.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7a2d987857b319362043e95f5353c0535c1f58eec5336fdfcf626430af7def58"
 
-[[package]]
-name = "reis"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "00939c5c526a1b4054ef8d9d96b3f92227f08ca355965e986741b556eda6d289"
-dependencies = [
- "calloop 0.14.3",
- "rustix 0.38.44",
-]
-
 [[package]]
 name = "renderdoc-sys"
 version = "1.1.0"