Do not report ERROR when sample rate equals 100

src/sql/optimizer/ob_explain_note.h

@@ -35,8 +35,6 @@ namespace sql
 #define PARALLEL_DISABLED_BY_PL_UDF_DAS  "Degree of Parallelisim is %ld because stmt contain pl_udf which force das scan"
 #define DIRECT_MODE_INSERT_INTO_SELECT  "Direct-mode is enabled in insert into select"
 #define PARALLEL_DISABLED_BY_DBLINK  "Degree of Parallelisim is %ld because stmt contain dblink which force das scan"
-#define PDML_DISABLED_BY_INSERT_PK_AUTO_INC "PDML disabled because the insert statement primary key has specified auto-increment column"
-#define PDML_DISABLED_BY_TRANSFORMATIONS "PDML disabled because transformations like or-expansion"
 
 }
 }