move useless proto to unimplemented folder

unimplemented/EvtEntityStartDieEndNotify.proto

@@ -0,0 +1,12 @@
+syntax = "proto3";
+option java_package = "emu.grasscutter.net.proto";
+import "ForwardType.proto";
+// 4.7.0
+// CmdId: 485
+// Obf: ???
+message EvtEntityStartDieEndNotify {
+	uint32 die_state_flag = 4;
+	uint32 entity_id = 12;
+	bool immediately = 10;
+	ForwardType forward_type = 13;
+}