Revert "fix: little issues in `prepare-web` script"

scripts/prepare-web.sh

@@ -1,9 +1,7 @@
 #!/bin/sh -ve
 rm -r assets/js/package
-mkdir -p assets/js/package
-touch assets/js/package/.gitkeep
 
-OLM_VERSION=$(cat pubspec.yaml | yq -r .dependencies.flutter_olm)
+OLM_VERSION=$(cat pubspec.yaml | yq .dependencies.flutter_olm)
 DOWNLOAD_PATH="https://github.com/famedly/olm/releases/download/v$OLM_VERSION/olm.zip"
 
 cd assets/js/ && curl -L $DOWNLOAD_PATH > olm.zip && cd ../../