Removed shaderc from Cargo.toml dependencies

Cargo.lock

@@ -2136,7 +2136,6 @@ dependencies = [
  "futures",
  "image",
  "log",
- "shaderc",
  "wgpu",
  "winit",
 ]
@@ -2223,7 +2222,6 @@ dependencies = [
  "futures",
  "image",
  "log",
- "shaderc",
  "wgpu",
  "winit",
 ]

code/beginner/tutorial1-window/Cargo.toml

@@ -14,7 +14,6 @@ path = "src/main.rs"
 [dependencies]
 image = "0.23"
 winit = "0.24"
-shaderc = "0.7"
 cgmath = "0.18"
 env_logger = "0.8"
 log = "0.4"

code/beginner/tutorial2-swapchain/Cargo.toml

@@ -9,7 +9,6 @@ edition = "2018"
 [dependencies]
 image = "0.23"
 winit = "0.24"
-shaderc = "0.7"
 cgmath = "0.18"
 env_logger = "0.8"
 log = "0.4"