optimizations for wasm size (#582)

* optimize for size

* fix tests

* revert log feature

* make backtrace not optional

* remove dev feature from web dev-deps

packages/hooks/Cargo.toml

@@ -14,7 +14,7 @@ keywords = ["dom", "ui", "gui", "react", "wasm"]
 [dependencies]
 dioxus-core = { path = "../../packages/core", version = "^0.2.1" }
 futures-channel = "0.3.21"
-log = { version = "0.4" }
+log = "0.4"
 
 
 [dev-dependencies]