[Filesystem] Removed old methods and refactoring of argument.
Methods removed:
string_to_array
array_to_string
Refactored argument _rewrite to _truncate for consistency.
ACR:
http://suprem.sec.samsung.net/jira/browse/TWDAPI-121
Change-Id: I6b22bc8b65bc1e967a18c60c2416bb7519eb43b1
Signed-off-by: Szymon Jastrzebski <s.jastrzebsk@partner.samsung.com>
Signed-off-by: Arkadiusz Pietraszek <a.pietraszek@partner.samsung.com>
Signed-off-by: Jakub Skowron <j.skowron@samsung.com>
Signed-off-by: Pawel Wasowski <p.wasowski2@partner.samsung.com>