Make iced_wgpu a mandatory dependency

Cargo.toml

@@ -12,17 +12,14 @@ keywords = ["gui", "ui", "graphics", "interface", "widgets"]
 categories = ["gui"]
 
 [features]
-default = ["wgpu"]
 # Enables the `Image` widget
-image = ["iced_wgpu?/image", "image_rs"]
+image = ["iced_wgpu/image", "image_rs"]
 # Enables the `Svg` widget
-svg = ["iced_wgpu?/svg"]
+svg = ["iced_wgpu/svg"]
 # Enables the `Canvas` widget
 canvas = ["iced_graphics/canvas"]
 # Enables the `QRCode` widget
 qr_code = ["iced_graphics/qr_code"]
-# Enables the `iced_wgpu` renderer
-wgpu = ["iced_wgpu"]
 # Enables a debug view in native platforms (press F12)
 debug = ["iced_winit/debug"]
 # Enables `tokio` as the `executor::Default` on native platforms
@@ -38,7 +35,7 @@ system = ["iced_winit/system"]
 # Enables chrome traces
 chrome-trace = [
     "iced_winit/chrome-trace",
-    "iced_wgpu?/tracing",
+    "iced_wgpu/tracing",
 ]
 
 [badges]
@@ -71,10 +68,10 @@ package = "image"
 optional = true
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
-iced_wgpu = { version = "0.8", path = "wgpu", optional = true }
+iced_wgpu = { version = "0.8", path = "wgpu" }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
-iced_wgpu = { version = "0.8", path = "wgpu", features = ["webgl"], optional = true }
+iced_wgpu = { version = "0.8", path = "wgpu", features = ["webgl"] }
 
 [package.metadata.docs.rs]
 rustdoc-args = ["--cfg", "docsrs"]