Clean the comment for `table_f_c unt` parameter

Deleted with commit: c70a9fa1

sql/table.cc

@@ -3610,7 +3610,6 @@ bool check_column_name(const char *name)
   been opened.
 
   @param[in] table             The table to check
-  @param[in] table_f_count     Expected number of columns in the table
   @param[in] table_def         Expected structure of the table (column name
                                and type)