Resolves: fdo#76638 Patch retrieve_grants.patch.1 fails

Let's remove this since the future is MariaDB

Change-Id: I39641f81c59e7d024aaf48e8e3cc9fc9a7c3127c

external/mysqlcppconn/UnpackedTarball_mysqlcppconn.mk

@@ -18,7 +18,6 @@ $(eval $(call gb_UnpackedTarball_add_file,mysqlcppconn,driver/nativeapi/binding_
 $(eval $(call gb_UnpackedTarball_add_patches,mysqlcppconn,\
 	external/mysqlcppconn/patches/mysql-connector-c++-1.1.0.patch \
 	external/mysqlcppconn/patches/default_to_protocol_tcp.patch \
-	external/mysqlcppconn/patches/retrieve_grants.patch.1 \
 	external/mysqlcppconn/patches/warnings.patch.0 \
 ))
 

external/mysqlcppconn/patches/retrieve_grants.patch.1

-diff -ur mysqlcppconn.org/driver/mysql_metadata.cpp mysqlcppconn/driver/mysql_metadata.cpp
---- mysqlcppconn.org/driver/mysql_metadata.cpp	2013-12-20 22:12:07.044698692 +0100
-+++ mysqlcppconn/driver/mysql_metadata.cpp	2013-12-20 22:14:56.320394472 +0100
-@@ -3633,12 +3633,14 @@
--	sql::SQLString strAllPrivs("ALTER, DELETE, DROP, INDEX, INSERT, LOCK TABLES, SELECT, UPDATE");
-+	sql::SQLString strAllPrivs("SELECT, INSERT, UPDATE, DELETE, CREATE, DROPT, GRANT, REFERENCES, INDEX, ALTER, CREATE VIEW, SHOW VIEW, TRIGGER");
- 
- 	sql::SQLString cQuote(getIdentifierQuoteString());
-+	size_t posIsGrantable = sql::SQLString::npos;
- 
- 	while (rs->next() ) {
- 		sql::SQLString aGrant = rs->getString(1);
- 		aGrant = aGrant.replace(0, 6, "");
- 
- 		size_t pos = aGrant.find("ALL PRIVILEGES");
-+		posIsGrantable = aGrant.find("WITH GRANT OPTION");
- 
- 		if (pos != sql::SQLString::npos) {
- 			aGrant = aGrant.replace(pos, sizeof("ALL PRIVILEGES") - 1, strAllPrivs);
-@@ -3737,7 +3739,10 @@
- 						rs_data_row.push_back("");				// GRANTOR
- 						rs_data_row.push_back(getUserName());	// GRANTEE
- 						rs_data_row.push_back(privToken);		// PRIVILEGE
--						rs_data_row.push_back("");				// IS_GRANTABLE - ToDo maybe here WITH GRANT OPTION??
-+                                                if (posIsGrantable != sql::SQLString::npos)
-+                                                     rs_data_row.push_back("YES");
-+                                                else
-+						     rs_data_row.push_back("");				// IS_GRANTABLE
- 
- 						rs_data->push_back(rs_data_row);
- 					}