Update hbp_activity_ontology.ttl
Update hbp_activity_ontology.ttl

replaced the duplicated Classifications
ganqqwerty/methodsOntology,OpenKnowledgeSpace/methodsOntology,NeuroscienceKnowledgeSpace/methodsOntology,tgbugs/methodsOntology,MFSY/methodsOntology,srjimenez/methodsOntology