removed missed obsolete Code OSS instructions

README.md

@@ -730,22 +730,6 @@ On host (where you intend to run IDE client):
 
 `doas apk add code-oss`
 
-Using e.g. Firefox, download `vscodium-reh-linux-x64-...` for a relevant build (with a version matching to code-oss)
-from https://github.com/VSCodium/vscodium/releases
-
-Unpack it: `cd Downloads && ouch decompress vscodium-reh-... --dir vscodium`
-
-Edit `/usr/lib/code-oss/resources/app/package.json` to make it mimic VSCodium (looking at `package.json` from unpacked VSCodium).
-In my experience, changing `name`, removing `distro`, and adding `release` fields was enough.
-(Make sure that `version` fields are identical between installed Code OSS and downloaded VSCodium package.)
-
-Edit `/usr/lib/code-oss/resources/app/product.json` to make it mimic VSCodium (looking at `product.json` from unpacked VSCodium).
-In my experience, changing `nameShort`, `nameLong`, `applicationName`, `dataFolderName`, `win32MutexName`,
-`licenseUrl`, `serverApplicationName`, `serverDataFolderName`, `win32DirName`, `win32NameVersion`, `win32RegValueName`,
-`linuxIconName`, `reportIssueUrl` and `date` fields,
-and adding `updateUrl`, `quality` and `commit` fields was enough.
-But most of these fields are probably irrelevant and can be left as is.
-
 Run `code-oss`, add "Open Remote - SSH" extension by jeanp413.
 Go to its settings, and set "Server Download Url Template" to
 `https://github.com/gitpod-io/openvscode-server/releases/download/openvscode-server-v${version}/openvscode-server-v${version}-${os}-${arch}.tar.gz`