Fixes weird migration issue

app/src/main/java/net/pokeranalytics/android/model/migrations/Patcher.kt

@@ -131,6 +131,7 @@ class Patcher {
 				sessions.forEach { session ->
 					val blinds = arrayListOf(session.cgOldSmallBlind, session.cgOldBigBlind).filterNotNull()
 					val blindsFormatted = blinds.map { NumberFormat.getInstance().format(it) }
+					session.cgAnte = null
 					if (blindsFormatted.isNotEmpty()) {
 						session.cgBlinds = blindsFormatted.joinToString(BLIND_SEPARATOR)
 					}
@@ -145,7 +146,6 @@ class Patcher {
 					}
 				}
 
-
 			}
 			realm.close()
 		}