Cleanup: removing unused type LEX_TYPE and #include

sql/sp_pcontext.h

@@ -22,7 +22,6 @@
 #endif
 
 #include "sql_string.h"                         // LEX_STRING
-#include "mysql_com.h"                          // enum_field_types
 #include "field.h"                              // Create_field
 #include "sql_array.h"                          // Dynamic_array
 

sql/sql_lex.h

@@ -323,15 +323,6 @@ extern uint binlog_unsafe_map[256];
 void binlog_unsafe_map_init();
 #endif
 
-struct LEX_TYPE
-{
-  enum enum_field_types type;
-  char *length, *dec;
-  CHARSET_INFO *charset;
-  void set(int t, char *l, char *d, CHARSET_INFO *cs)
-  { type= (enum_field_types)t; length= l; dec= d; charset= cs; }
-};
-
 #ifdef MYSQL_SERVER
 /*
   The following hack is needed because mysql_yacc.cc does not define