Remove unused dependencies on netty and java.sql in arrow-vector

Author: jduo

java/vector/src/main/codegen/includes/vv_imports.ftl

@@ -48,9 +48,6 @@ import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.nio.ByteBuffer;
 
-import java.sql.Date;
-import java.sql.Time;
-import java.sql.Timestamp;
 import java.math.BigDecimal;
 import java.math.BigInteger;
 import java.time.Duration;

java/vector/src/main/java/module-info.java

@@ -41,8 +41,6 @@
   requires com.fasterxml.jackson.databind;
   requires com.fasterxml.jackson.datatype.jsr310;
   requires flatbuffers.java;
-  requires io.netty.common;
-  requires java.sql;
   requires jdk.unsupported;
   requires org.apache.arrow.format;
   requires org.apache.commons.codec;