Remove unmaintained wee_alloc dependency

Cargo.toml

@@ -22,13 +22,6 @@ wasm-bindgen = "0.2"
 # code size when deploying.
 console_error_panic_hook = { version = "0.1.1", optional = true }
 
-# `wee_alloc` is a tiny allocator for wasm that is only ~1K in code size
-# compared to the default allocator's ~10K. It is slower than the default
-# allocator, however.
-#
-# Unfortunately, `wee_alloc` requires nightly Rust when targeting wasm for now.
-wee_alloc = { version = "0.4.2", optional = true }
-
 js-sys = { version = "0.3.37" }
 
 web-sys = { version = "0.3", features = ["console"] }

README.md

@@ -50,5 +50,3 @@ wasm-pack publish
   between WebAssembly and JavaScript.
 * [`console_error_panic_hook`](https://github.com/rustwasm/console_error_panic_hook)
   for logging panic messages to the developer console.
-* [`wee_alloc`](https://github.com/rustwasm/wee_alloc), an allocator optimized
-  for small code size.

src/lib.rs

@@ -7,12 +7,6 @@ use std::cmp::{min};
 use js_sys::{ArrayBuffer, Uint8Array};
 use wasm_bindgen::prelude::*;
 
-// When the `wee_alloc` feature is enabled, use `wee_alloc` as the global
-// allocator.
-#[cfg(feature = "wee_alloc")]
-#[global_allocator]
-static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
-
 #[wasm_bindgen]
 pub struct BitArray {
     buffer: ArrayBuffer,