Fix warning and directory restructure.

substrate/pwasm-alloc/Cargo.toml

@@ -1,23 +0,0 @@
-[package]
-name = "pwasm-alloc"
-version = "0.1.0"
-authors = ["Nikolay Volf <nikvolf@gmail.com>"]
-license = "MIT/Apache-2.0"
-readme = "README.md"
-repository = "https://github.com/paritytech/pwasm-std"
-homepage = "https://github.com/paritytech/pwasm-std"
-documentation = "https://paritytech.github.io/pwasm-std/pwasm_std/"
-description = "Parity WebAssembly standard library internal allocator"
-keywords = ["wasm", "parity", "webassembly", "blockchain"]
-categories = ["no-std", "embedded"]
-build = "build.rs"
-
-[dependencies]
-pwasm-libc = { path = "../pwasm-libc", version = "0.1" }
-
-[build-dependencies]
-rustc_version = "0.2"
-
-[features]
-strict = []
-nightly = []