Revert "gpui: Implement support for wlr layer shell (#32651)" (#35331)

This reverts commit c110f78015.

On Linux Wayland, that causes a panic:

```
already mutably borrowed: BorrowError
zed::reliability::init_panic_hook::{{closure}}::h276cc55bf0717738+165677654
std::panicking::rust_panic_with_hook::h409da73ddef13937+139331443
std::panicking::begin_panic_handler::{{closure}}::h159b61b27f96a9c2+139330666
std::sys::backtrace::__rust_end_short_backtrace::h5b56844d75e766fc+139314825
__rustc[4794b31dd7191200]::rust_begin_unwind+139329805
core::panicking::panic_fmt::hc8737e8cca20a7c8+9934576
core::cell::panic_already_mutably_borrowed::h95c7d326eb19a92a+9934403
<gpui::platform::linux::wayland:🪟:WaylandWindow as gpui::platform::PlatformWindow>::set_app_id::hfa7deae0be264f60+10621600
gpui:🪟:Window:🆕:h6505f6042d99702f+80424235
gpui::app::async_context::AsyncApp::open_window::h62ef8f80789a0af2+159117345
workspace::Workspace::new_local::{{closure}}::{{closure}}::h4d786ba393f391b5+160720110
gpui::app::App::spawn::{{closure}}::haf6a6ef0f9bab21c+159294806
async_task::raw::RawTask<F,T,S,M>::run::h9e5f668e091fddff+158375501
<gpui::platform::linux::wayland::client::WaylandClient as gpui::platform::linux::platform::LinuxClient>::run::h69e40feabd97f1bb+79906738
gpui::platform::linux::platform::<impl gpui::platform::Platform for P>::run::hd80e5b2da41c7d0a+79758141
gpui::app::Application::run::h9136595e7346a2c9+163935333
zed::main::h83f7ef86a32dbbfd+165755480
std::sys::backtrace::__rust_begin_short_backtrace::hb6da6fe5454d7688+168421891
std::rt::lang_start::{{closure}}::h51a50d6423746d5f+168421865
std::rt::lang_start_internal::ha8ef919ae4984948+139244369
main+168421964
__libc_start_call_main+29344125649354
__libc_start_main_impl+29344125649547
_start+12961358
```


Release Notes:

- N/A

Cargo.lock

@@ -7367,9 +7367,8 @@ dependencies = [
  "wayland-backend",
  "wayland-client",
  "wayland-cursor",
- "wayland-protocols 0.31.2",
+ "wayland-protocols",
  "wayland-protocols-plasma",
- "wayland-protocols-wlr",
  "windows 0.61.1",
  "windows-core 0.61.0",
  "windows-numerics",
@@ -18386,9 +18385,9 @@ dependencies = [
 
 [[package]]
 name = "wayland-backend"
-version = "0.3.10"
+version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe770181423e5fc79d3e2a7f4410b7799d5aab1de4372853de3c6aa13ca24121"
+checksum = "b7208998eaa3870dad37ec8836979581506e0c5c64c20c9e79e9d2a10d6f47bf"
 dependencies = [
  "cc",
  "downcast-rs",
@@ -18400,9 +18399,9 @@ dependencies = [
 
 [[package]]
 name = "wayland-client"
-version = "0.31.10"
+version = "0.31.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "978fa7c67b0847dbd6a9f350ca2569174974cd4082737054dbb7fbb79d7d9a61"
+checksum = "c2120de3d33638aaef5b9f4472bff75f07c56379cf76ea320bd3a3d65ecaf73f"
 dependencies = [
  "bitflags 2.9.0",
  "rustix 0.38.44",
@@ -18433,18 +18432,6 @@ dependencies = [
  "wayland-scanner",
 ]
 
-[[package]]
-name = "wayland-protocols"
-version = "0.32.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "779075454e1e9a521794fed15886323ea0feda3f8b0fc1390f5398141310422a"
-dependencies = [
- "bitflags 2.9.0",
- "wayland-backend",
- "wayland-client",
- "wayland-scanner",
-]
-
 [[package]]
 name = "wayland-protocols-plasma"
 version = "0.2.0"
@@ -18454,20 +18441,7 @@ dependencies = [
  "bitflags 2.9.0",
  "wayland-backend",
  "wayland-client",
- "wayland-protocols 0.31.2",
- "wayland-scanner",
-]
-
-[[package]]
-name = "wayland-protocols-wlr"
-version = "0.3.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1cb6cdc73399c0e06504c437fe3cf886f25568dd5454473d565085b36d6a8bbf"
-dependencies = [
- "bitflags 2.9.0",
- "wayland-backend",
- "wayland-client",
- "wayland-protocols 0.32.8",
+ "wayland-protocols",
  "wayland-scanner",
 ]