Refactor code-style

*   Remove types for actually unsupported tuple support in `use`,
    tuples can exist in lists, but not at the top
*   Add more info to JSDoc comments
*   Use more casts, add development assertions, remove
    `ts-expect-error`s

Author: wooorm

index.test-d.ts

@@ -162,7 +162,6 @@ unified().use(pluginWithSeveralArgumentsImplicit, {example: ''}, 1)
 
 unified()
   .use(pluginWithOptions, {example: ''})
-  .use([pluginWithOptions, {example: ''}])
   .use([[pluginWithOptions, {example: ''}]])
   .use({
     plugins: [[pluginWithOptions, {example: ''}]]
@@ -173,8 +172,6 @@ unified()
 unified()
   .use(pluginWithoutOptions, true)
   .use(pluginWithoutOptions, false)
-  .use([pluginWithoutOptions, true])
-  .use([pluginWithoutOptions, false])
   .use([
     [pluginWithoutOptions, true],
     [pluginWithoutOptions, false]

lib/callable-instance.js

@@ -1,4 +1,3 @@
-/* eslint-disable unicorn/no-this-assignment */
 /**
  * @param {string} property
  */