Return the tabs demo to one example

Cargo.toml

@@ -36,7 +36,6 @@ force-gles = []
 
 [dev-dependencies]
 tokio = { workspace = true, features = ["sync", "rt", "rt-multi-thread", "time"] }
-tabs-ui = { path = "tabs-ui" }
 bytemuck = { workspace = true }
 
 [[bench]]
@@ -47,7 +46,6 @@ harness = false
 members = [
     "core",
     "macro",
-    "tabs-ui",
     "rig-input",
 ]