Fix `sendTo.kt` package

mirai-core-api/src/commonMain/kotlin/message/data/Image.kt

@@ -22,8 +22,6 @@
 
 package net.mamoe.mirai.message.data
 
-import event.sendAsImageTo
-import event.uploadAsImage
 import kotlinx.serialization.KSerializer
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.builtins.serializer

mirai-core-api/src/commonMain/kotlin/event/sendTo.kt → mirai-core-api/src/commonMain/kotlin/utils/sendTo.kt

@@ -15,7 +15,7 @@
 @file:JvmMultifileClass
 @file:JvmName("SendImageUtilsJvmKt")
 
-package event
+package net.mamoe.mirai.utils
 
 import kotlinx.coroutines.Dispatchers
 import net.mamoe.mirai.contact.Contact
@@ -23,7 +23,6 @@ import net.mamoe.mirai.contact.Group
 import net.mamoe.mirai.message.MessageReceipt
 import net.mamoe.mirai.message.data.Image
 import net.mamoe.mirai.message.data.Voice
-import net.mamoe.mirai.utils.*
 import java.awt.image.BufferedImage
 import java.io.File
 import java.io.InputStream