Action goes over all tags with instanceCount==0 and checks whether they need to be removed from the DB. Returns number of removed tags.
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object responseProfile:object:KalturaBaseResponseProfile
abstract
objectType:string Enum: KalturaDetachedResponseProfile, KalturaResponseProfileHolder, KalturaResponseProfileKalturaBaseResponseProfile must also match any of:
object:KalturaDetachedResponseProfile object:KalturaResponseProfileHolder object:KalturaResponseProfile