Remove (unused) typedoc config (#120)

typedoc.js

@@ -1,19 +0,0 @@
-// Copyright 2019-2020 @polkadot/wasm-crypto authors & contributors
-// SPDX-License-Identifier: Apache-2.0
-
-module.exports = {
-  exclude: '**/*+(index|e2e|spec).ts',
-  excludeExternals: true,
-  excludeNotExported: true,
-  excludePrivate: true,
-  excludeProtected: true,
-  hideGenerator: true,
-  includeDeclarations: false,
-  mdEngine: 'gitbook',
-  module: 'commonjs',
-  moduleResolution: 'node',
-  name: 'Polkadot JS WASM',
-  out: 'docs',
-  stripInternal: 'true',
-  theme: 'markdown'
-};