Remove @JacksonStdImpl from RawSerializer

Author: cowtowncoder

src/main/java/com/fasterxml/jackson/databind/ser/std/RawSerializer.java

@@ -6,7 +6,6 @@
 import com.fasterxml.jackson.core.*;
 
 import com.fasterxml.jackson.databind.*;
-import com.fasterxml.jackson.databind.annotation.JacksonStdImpl;
 import com.fasterxml.jackson.databind.jsonFormatVisitors.JsonFormatVisitorWrapper;
 import com.fasterxml.jackson.databind.jsontype.TypeSerializer;