chore: drop deps now owned by the engine

Remove smithay-client-toolkit, calloop-wayland-source, xkeysym,
raw-window-handle, wgpu, bytemuck, pollster, futures, serde, serde_json — the
cce-ui engine now provides the wayland/wgpu/event-loop stack.

Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>

 Cargo.toml | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index f14ad11..65edf0a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,21 +5,10 @@ edition = "2021"
 
 [dependencies]
 cce-ui = { path = "../cce-ui" }
-smithay-client-toolkit = "0.19.2"
 calloop = "0.13.0"
-calloop-wayland-source = "0.3.0"
 wayland-client = { version = "0.31", features = ["system"] }
-xkeysym = "0.2"
-raw-window-handle = "0.6"
-wgpu = "24"
-bytemuck = { version = "1", features = ["derive"] }
-pollster = "0.4"
 glyphon = "0.8"
 tokio = { version = "1", features = ["full"] }
 zbus = "5"
-futures = "0.3"
-serde = { version = "1", features = ["derive"] }
-serde_json = "1.0"
 log = "0.4"
 env_logger = "0.11"
-