http-service: fix sql2o statement leak

commit() will call closeJdbcConnection() which does not clean up statements and causes the later close() to noop

http-service/src/main/java/net/runelite/http/service/item/ItemService.java

@@ -244,7 +244,7 @@ public class ItemService
 			}
 
 			query.executeBatch();
-			con.commit();
+			con.commit(false);
 
 			return entries;
 		}
@@ -320,7 +320,7 @@ public class ItemService
 			}
 
 			q.executeBatch();
-			con.commit();
+			con.commit(false);
 		}
 	}
 

http-service/src/main/java/net/runelite/http/service/xtea/XteaService.java

@@ -150,7 +150,7 @@ public class XteaService
 			}
 
 			query.executeBatch();
-			con.commit();
+			con.commit(false);
 		}
 	}