Remove the old swapchain model

Author: kvark

.github/CONTRIBUTING.md

@@ -6,8 +6,6 @@ General-purpose chat is on [matrix](https://matrix.to/#/#gfx:matrix.org).
 
 If you've got the code, making a pull request to discuss things on the way may be more efficient than posting it to the chat.
 
-Finally, feel free to hop on [#rust-gamedev](http://chat.mibbit.com/?server=irc.mozilla.org&channel=%23rust-gamedev).
-
 ### Code
 
 gfx-rs adheres to Rust Coding Guidelines.

.github/PULL_REQUEST_TEMPLATE.md

@@ -3,4 +3,3 @@ PR checklist:
 - [ ] `make` succeeds (on *nix)
 - [ ] `make reftests` succeeds
 - [ ] tested examples with the following backends:
-- [ ] `rustfmt` run on changed code

.monocodus

@@ -1,7 +1 @@
 version: 1.0.0
-
-rust:
-  formatter:
-    name: rustfmt
-    ignore_paths:
-      - ".*"

examples/Cargo.toml

@@ -37,7 +37,7 @@ hal = { path = "../src/hal", version = "0.5", package = "gfx-hal" }
 auxil = { path = "../src/auxil/auxil", version = "0.3", package = "gfx-auxil" }
 gfx-backend-gl = { path = "../src/backend/gl", version = "0.5", optional = true }
 gfx-backend-empty = { path = "../src/backend/empty", version = "0.5" }
-winit = { version = "0.21.0", features = ["web-sys"] }
+winit = { version = "0.22", features = ["web-sys"] }
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
 env_logger = "0.6"