Changes:
- Drop `nix/mobile/android/maven-and-npm-deps/default.nix`
- Replace it with much simpler `nix/tools/patchNodeModules`
- Move Gradle patching tool to `nix/pkgs/patch-maven-srcs`
- Simplify it by using `gradle.deps` and patched node modules separately
- Change `TARGET` for `release-android` to `default`
- Move `mobile/reset-node_modules.sh` to `scripts/node_modules.sh`
- Move `nix/mobile/android/targets/release-android.nix` to `nix/mobile/android/release.nix`
Signed-off-by: Jakub Sokołowski <jakub@status.im>
