Revert "fix: get flatpak deps from flathub README (#143)"

This reverts commit 2cd31ab.

README.md

@@ -55,13 +55,21 @@ cargo run
 For unified environment setup and package experience, we choose Flatpak to build the project from the start.
 Please follow the [Flatpak Setup](https://flatpak.org/setup/) page to install Flatpak based on your distribution.
 
+- Install flatpak runtimes and extensions:
+
+```sh
+flatpak install flathub org.freedesktop.Platform//23.08
+flatpak install flathub org.freedesktop.Sdk//23.08
+flatpak install flathub org.freedesktop.Sdk.Extension.rust-stable//23.08
+flatpak install flathub org.freedesktop.Sdk.Extension.llvm18//23.08
+```
 
 - Generate manifests and build:
 // TODO Exporting to a repository instead
 
 ```sh
 python3 ./flatpak-cargo-generator.py ./Cargo.lock -o cargo-sources.json
-flatpak-builder --user --install --install-deps-from=flathub --force-clean target org.versotile.verso.yml
+flatpak-builder --user --install --force-clean target org.versotile.verso.yml
 flatpak run org.versotile.verso
 ```
 
@@ -88,7 +96,7 @@ But please understand we don't triage any build issue without flatpak or nix set
 
 Nightly releases built with CrabNebula Cloud can be found at [releases](https://web.crabnebula.cloud/verso/verso-nightly/releases).
 
-> Packages are unsigned currently. If you have problem opening the app on macOS, try `xattr -d com.apple.quarantine /Applications/verso.app` after installation.
+> Packages are unsigned currently. If you have problem opening the app on macOS, try `xattr -d com.apple.quarantine /Applications/verso.app` after installation. 
 
 ## Future Work