Remove unused dependencies in rust-gpu (#800)

Cargo.lock

@@ -716,8 +716,6 @@ dependencies = [
  "ash-window",
  "cfg-if 1.0.0",
  "nix 0.20.2",
- "serde",
- "serde_json",
  "shared",
  "spirv-builder",
  "structopt",
@@ -1969,7 +1967,6 @@ dependencies = [
  "spirv-tools",
  "syn",
  "tempfile",
- "topological-sort",
 ]
 
 [[package]]
@@ -2199,7 +2196,6 @@ dependencies = [
 name = "spirv-std-macros"
 version = "0.4.0-alpha.12"
 dependencies = [
- "heck",
  "proc-macro2",
  "quote",
  "spirv-types",
@@ -2394,12 +2390,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "topological-sort"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa7c7f42dea4b1b99439786f5633aeb9c14c1b53f75e282803c2ec2ad545873c"
-
 [[package]]
 name = "unicode-segmentation"
 version = "1.8.0"

crates/rustc_codegen_spirv/Cargo.toml

@@ -45,7 +45,6 @@ serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 smallvec = "1.6.1"
 spirv-tools = { version = "0.7", default-features = false }
-topological-sort = "0.1"
 
 [dev-dependencies]
 pipe = "0.4"

crates/spirv-std/macros/Cargo.toml

@@ -12,7 +12,6 @@ proc-macro = true
 
 [dependencies]
 spirv-types = { path = "../shared", version = "0.4.0-alpha.12" }
-heck = "0.3.2"
 proc-macro2 = "1.0.24"
 quote = "1.0.8"
 syn = { version = "1.0.58", features=["full"] }

deny.toml

@@ -91,6 +91,3 @@ unknown-registry = "warn"
 # Lint level for what to happen when a crate from a git repository that is not
 # in the allow list is encountered
 unknown-git = "allow"
-
-[sources.allow-org]
-github = ["EmbarkStudios"]

examples/runners/ash/Cargo.toml

@@ -16,8 +16,6 @@ use-compiled-tools = ["spirv-builder/use-compiled-tools"]
 ash = "0.33"
 ash-window = "0.7"
 winit = { git = "https://github.com/rust-windowing/winit", rev = "1b3b82a3c1369c5248a2e6a251230ba6c615e918" }
-serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0"
 structopt = "0.3.20"
 cfg-if = "1.0.0"
 shared = { path = "../../shaders/shared" }