Cleanup: Remove ut_format_name()

This follows up commit 383f77cd
which simplified dict_table_schema_check().

Note: We can display quoted names like this:
my_snprintf(buf, sizeof buf, "%`.*s.%`s",
            int(t->name.dblen()), t->name.m_name, t->name.basename());

mysql-test/suite/innodb/r/innodb_ut_format_name.result

-CREATE TABLE t (c INT) ENGINE=INNODB;
-SET @save_dbug = @@debug_dbug;
-SET debug_dbug = '+d,test_ut_format_name';
-DROP TABLE t;
-SET debug_dbug = @save_dbug;

mysql-test/suite/innodb/t/innodb_ut_format_name.test

-#
-# Test ut_format_name()
-#
-
--- source include/have_debug.inc
--- source include/have_innodb.inc
-
-CREATE TABLE t (c INT) ENGINE=INNODB;
-
-# This will invoke test_ut_format_name() in debug builds
-
-SET @save_dbug = @@debug_dbug;
-SET debug_dbug = '+d,test_ut_format_name';
-
-DROP TABLE t;
-
-SET debug_dbug = @save_dbug;

storage/innobase/handler/ha_innodb.cc

@@ -5413,67 +5413,6 @@ test_normalize_table_name_low()
 		}
 	}
 }
-
-/*********************************************************************
-Test ut_format_name(). */
-static
-void
-test_ut_format_name()
-/*=================*/
-{
-	char		buf[NAME_LEN * 3];
-
-	struct {
-		const char*	name;
-		ulint		buf_size;
-		const char*	expected;
-	} test_data[] = {
-		{"test/t1",	sizeof(buf),	"`test`.`t1`"},
-		{"test/t1",	12,		"`test`.`t1`"},
-		{"test/t1",	11,		"`test`.`t1"},
-		{"test/t1",	10,		"`test`.`t"},
-		{"test/t1",	9,		"`test`.`"},
-		{"test/t1",	8,		"`test`."},
-		{"test/t1",	7,		"`test`"},
-		{"test/t1",	6,		"`test"},
-		{"test/t1",	5,		"`tes"},
-		{"test/t1",	4,		"`te"},
-		{"test/t1",	3,		"`t"},
-		{"test/t1",	2,		"`"},
-		{"test/t1",	1,		""},
-		{"test/t1",	0,		"BUF_NOT_CHANGED"},
-		{"table",	sizeof(buf),	"`table`"},
-		{"ta'le",	sizeof(buf),	"`ta'le`"},
-		{"ta\"le",	sizeof(buf),	"`ta\"le`"},
-		{"ta`le",	sizeof(buf),	"`ta``le`"},
-	};
-
-	for (size_t i = 0; i < UT_ARR_SIZE(test_data); i++) {
-
-		memcpy(buf, "BUF_NOT_CHANGED", strlen("BUF_NOT_CHANGED") + 1);
-
-		char*	ret;
-
-		ret = ut_format_name(test_data[i].name,
-				     buf,
-				     test_data[i].buf_size);
-
-		ut_a(ret == buf);
-
-		if (strcmp(buf, test_data[i].expected) == 0) {
-			ib::info() << "ut_format_name(" << test_data[i].name
-				<< ", buf, " << test_data[i].buf_size << "),"
-				" expected " << test_data[i].expected
-				<< ", OK";
-		} else {
-			ib::error() << "ut_format_name(" << test_data[i].name
-				<< ", buf, " << test_data[i].buf_size << "),"
-				" expected " << test_data[i].expected
-				<< ", ERROR: got " << buf;
-			ut_error;
-		}
-	}
-}
 #endif /* !DBUG_OFF */
 
 /** Match index columns between MySQL and InnoDB.
@@ -13470,7 +13409,6 @@ int ha_innobase::delete_table(const char *name)
 
   DBUG_EXECUTE_IF("test_normalize_table_name_low",
                   test_normalize_table_name_low(););
-  DBUG_EXECUTE_IF("test_ut_format_name", test_ut_format_name(););
 
   trx_t *parent_trx= check_trx_exists(thd);
   dict_table_t *table;

storage/innobase/include/ut0ut.h

@@ -242,20 +242,6 @@ ut_print_name(
 	FILE*		ef,	/*!< in: stream */
 	const trx_t*	trx,	/*!< in: transaction */
 	const char*	name);	/*!< in: table name to print */
-/** Format a table name, quoted as an SQL identifier.
-If the name contains a slash '/', the result will contain two
-identifiers separated by a period (.), as in SQL
-database_name.table_name.
-@see table_name_t
-@param[in]	name		table or index name
-@param[out]	formatted	formatted result, will be NUL-terminated
-@param[in]	formatted_size	size of the buffer in bytes
-@return pointer to 'formatted' */
-char*
-ut_format_name(
-	const char*	name,
-	char*		formatted,
-	ulint		formatted_size);
 
 /**********************************************************************//**
 Catenate files. */

storage/innobase/ut/ut0ut.cc

@@ -258,47 +258,6 @@ ut_print_name(
 	}
 }
 
-/** Format a table name, quoted as an SQL identifier.
-If the name contains a slash '/', the result will contain two
-identifiers separated by a period (.), as in SQL
-database_name.table_name.
-@see table_name_t
-@param[in]	name		table or index name
-@param[out]	formatted	formatted result, will be NUL-terminated
-@param[in]	formatted_size	size of the buffer in bytes
-@return pointer to 'formatted' */
-char*
-ut_format_name(
-	const char*	name,
-	char*		formatted,
-	ulint		formatted_size)
-{
-	switch (formatted_size) {
-	case 1:
-		formatted[0] = '\0';
-		/* FALL-THROUGH */
-	case 0:
-		return(formatted);
-	}
-
-	char*	end;
-
-	end = innobase_convert_name(formatted, formatted_size,
-				    name, strlen(name), NULL);
-
-	/* If the space in 'formatted' was completely used, then sacrifice
-	the last character in order to write '\0' at the end. */
-	if ((ulint) (end - formatted) == formatted_size) {
-		end--;
-	}
-
-	ut_a((ulint) (end - formatted) < formatted_size);
-
-	*end = '\0';
-
-	return(formatted);
-}
-
 /**********************************************************************//**
 Catenate files. */
 void