Remove OSX and slave_load_tmpdir tests, for cross platform testability

Author: MarkLeith

mysql-test/suite/sysschema/t/fn_format_path.test

@@ -18,19 +18,10 @@ SET @mypath := CONCAT(@@global.tmpdir, 'foo/bar.foo');
 
 SELECT sys.format_path(@mypath);
 
-# Ensure slave_load_tmpdir is recognized and stripped
-SET @mypath := CONCAT(@@global.slave_load_tmpdir, 'foo/bar.foo');
-
-SELECT sys.format_path(@mypath);
-
 # Ensure innodb_log_group_home_dir is recognized and stripped
 SET @mypath := CONCAT(@@global.innodb_log_group_home_dir, 'foo/bar.foo');
 
 SELECT sys.format_path(@mypath);
 
-# Ensure /private is stripped for OSX systems
-SET @mypath := CONCAT('/private', @@global.tmpdir, 'foo/bar.foo');
-SELECT sys.format_path(@mypath);
-
 # Unrecognized paths should return the full path
 SELECT sys.format_path('/foo/bar/baz.foo');