Cleanup: Remove a constant template parameter

dict_table_t::init_instant(): Remove bool replace_dropped=true.
The template parameter was unnecessarily added in
commit a044e326.

storage/innobase/handler/handler0alter.cc

@@ -165,10 +165,7 @@ static void instant_metadata_lock(dict_index_t& index, mtr_t& mtr)
 }
 
 /** Initialize instant->field_map.
-@tparam	replace_dropped	whether to point clustered index fields
-to instant->dropped[]
 @param[in]	table	table definition to copy from */
-template<bool replace_dropped>
 inline void dict_table_t::init_instant(const dict_table_t& table)
 {
 	const dict_index_t& oindex __attribute__((unused))= *table.indexes.start;
@@ -209,13 +206,11 @@ inline void dict_table_t::init_instant(const dict_table_t& table)
 		ut_ad(f.col < table.instant->dropped
 		      + table.instant->n_dropped);
 		ut_d(n_drop++);
-		if (replace_dropped) {
 		size_t d = f.col - table.instant->dropped;
 		ut_ad(f.col == &table.instant->dropped[d]);
 		ut_ad(d <= instant->n_dropped);
 		f.col = &instant->dropped[d];
 	}
-	}
 	ut_ad(n_drop == n_dropped());
 	ut_ad(field_map_it == &instant->field_map[index.n_fields - u]);
 	ut_ad(index.n_nullable == n_nullable);
@@ -655,7 +650,7 @@ inline bool dict_table_t::instant_column(const dict_table_t& table,
 		const field_map_element_t* field_map = old_instant
 			? old_instant->field_map : NULL;
 
-		init_instant<true>(table);
+		init_instant(table);
 
 		if (!metadata_changed) {
 			metadata_changed = !field_map

storage/innobase/include/dict0mem.h

@@ -1886,10 +1886,7 @@ struct dict_table_t {
 
 private:
 	/** Initialize instant->field_map.
-	@tparam	replace_dropped	whether to point clustered index fields
-				to instant->dropped[]
 	@param[in]	table	table definition to copy from */
-	template<bool replace_dropped = false>
 	inline void init_instant(const dict_table_t& table);
 public:
 	/** Id of the table. */