chore: Fix appveyor memory limit config, remove 2 imports (#607)
chore: Fix appveyor memory limit config, remove 2 imports (#607)

* chore: fix appveyor deprecated memory limit settings

* remove @types/loglevel (definitions included in loglevel)

opensheetmusicdisplay/opensheetmusicdisplay,opensheetmusicdisplay/opensheetmusicdisplay,opensheetmusicdisplay/opensheetmusicdisplay