Update olvid.json

olvid.json

@@ -23,7 +23,7 @@
 		"website_url": "https://www.olvid.io",
 		"created_year": 2018,
 		"description": "Olvid is an open-source instant messaging application, relying on end-to-end encryption to guarantee the security of the users' data and metadata. Olvid operates without a centralized directory, with its security relying only on the latest cryptography technology, to ensure the integrity, confidentiality and anonymity of communications.guaranteeguarantee",
-		"category_list": ["Communication","Cybersecurity"],
+		"category_list": ["Communication"],
 		"similar_solution_list": [{
 			"title": "Signal",
 			"similar_solution_url": "https://signal.org/",