[win32] Cleanup: delete old project files
[win32] fix libexif project:
* debug config was broken and not used
* target subsystem was "Console" instead of "Windows"
Merge pull request #3525 from Karlson2k/win32_libexif_proj_fix_01

[win32] fix libexif project:
Merge pull request #3526 from Karlson2k/win32_projects_cleanup_02

Win32 projects cleanup 02