Implement remove

[Patryk Kubiak]

The function remove (stdio.h) need to be implemented according to the POSIX standard: http://www.cplusplus.com/reference/cstdio/remove/

It should use VFS function:

extern oC_ErrorCode_t       oC_VirtualFileSystem_unlink        ( const char * Path);

[Patryk Kubiak]

Removing component: stdio (automated comment)