Revert "Add the ability to unlike posts"

This reverts commit 237c939639.

damus/Models/HomeModel.swift

@@ -167,15 +167,6 @@ class HomeModel: ObservableObject {
         }
         
     }
-
-	func handle_delete_event(_ ev: NostrEvent) {
-		guard ev.is_valid else {
-			return
-		}
-
-		self.deleted_events.insert(ev.id)
-	}
-
     
     func handle_channel_create(_ ev: NostrEvent) {
         guard ev.is_valid else {
@@ -194,18 +185,13 @@ class HomeModel: ObservableObject {
         self.notifications = notifications.filter { !damus_state.contacts.is_muted($0.pubkey) }
     }
     
-
-	func handle_unlike_event(_ ev: NostrEvent) {
-		guard ev.is_valid, let privkey = self.damus_state.keypair.privkey, let e = ev.last_refid() else {
-			   return
-		}
-
-		let delete = make_delete_event(pubkey: damus_state.keypair.pubkey, privkey: privkey, deleted_events: [ev.id])
-
-		pool.send(.event(delete))
-
-		damus_state.likes.remove_event(ev, target: e.ref_id)
-	}
+    func handle_delete_event(_ ev: NostrEvent) {
+        guard ev.is_valid else {
+            return
+        }
+        
+        self.deleted_events.insert(ev.id)
+    }
 
     func handle_contact_event(sub_id: String, relay_id: String, ev: NostrEvent) {
         process_contact_event(state: self.damus_state, ev: ev)

damus/Models/LikeCounter.swift

@@ -49,17 +49,4 @@ class EventCounter {
         
         return .success(counts[target]!)
     }
-
-	func remove_event(_ ev: NostrEvent, target: String) {
-		let pubkey = ev.pubkey
-
-		user_events[pubkey]?.remove(target)
-
-		if counts[target] == nil {
-			counts[target] = 0
-			return
-		}
-
-		counts[target]! -= 1
-	}
 }