Add deno.reloadImportRegistries, remove deno/cache and deno/reloadImportRegistries from Language Server Overview

[Milly]

• Deno v1.32.2, added deno.cache command (feat(lsp): provide the deno.cache command server-side deno#20111)
• Deno v1.37.0, added deno.reloadImportRegistries command (refactor(lsp): add "deno.reloadImportRegistries" as a command deno#20823)
• Deno v1.40.3, removed deno/cache and deno/reloadImportRegistries methods (fix(lsp): don't normalize urls in cache command params deno#22182)

about deno.cache

It is already exists, but deno.reloadImportRegistries is not.

deno-docs/runtime/manual/advanced/language_server/overview.md

Lines 87 to 90 in c031f9f

	- `deno.cache` - This is sent as a resolution code action when there is an
	un-cached module specifier that is being imported into a module. It will be
	sent with and argument that contains the resolved specifier as a string to be
	cached.

about deno/cache

Should remove.

deno-docs/runtime/manual/advanced/language_server/overview.md

Lines 105 to 117 in c031f9f

	- `deno/cache` - This command will instruct Deno to attempt to cache a module
	and all of its dependencies. If a `referrer` only is passed, then all
	dependencies for the module specifier will be loaded. If there are values in
	the `uris`, then only those `uris` will be cached.
	It expects parameters of:
	```ts
	interface CacheParams {
	referrer: TextDocumentIdentifier;
	uris: TextDocumentIdentifier[];
	}
	```

about deno/reloadImportRegistries

Should remove.

deno-docs/runtime/manual/advanced/language_server/overview.md

Lines 122 to 125 in c031f9f

	- `deno/reloadImportRegistries` - Reloads any cached responses from import
	registries.
	It does not expect any parameters.