[gtkmm/gtkmm-3-24.nmake: 7/7] build: Remove Visual Studio 2013 projects

[Chun-wei Fan <fanchunwei src gnome org>]

commit a359427128f1242861198c1f708fba4ce1c32c46
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Tue Aug 28 16:10:02 2018 +0800

    build: Remove Visual Studio 2013 projects
    
    Since the NMake Makefiles replaced the Visual Studio projects, this
    commit drops them.

 MSVC_NMake/gdkmm.vcxproj               | 266 -------------
 MSVC_NMake/gdkmm.vcxproj.filters       |  85 ----
 MSVC_NMake/gendef.vcxproj              | 172 --------
 MSVC_NMake/gendef.vcxproj.filters      |  20 -
 MSVC_NMake/gtkmm-build-defines.props   |  44 ---
 MSVC_NMake/gtkmm-gen-srcs.props        |  17 -
 MSVC_NMake/gtkmm-install.props         | 577 ---------------------------
 MSVC_NMake/gtkmm-version-paths.props   |  42 --
 MSVC_NMake/gtkmm.sln                   |  65 ---
 MSVC_NMake/gtkmm.vcxproj               | 700 ---------------------------------
 MSVC_NMake/gtkmm.vcxproj.filters       | 509 ------------------------
 MSVC_NMake/gtkmm3-demo.vcxproj         | 254 ------------
 MSVC_NMake/gtkmm3-demo.vcxproj.filters |  57 ---
 MSVC_NMake/install.vcxproj             | 120 ------
 14 files changed, 2928 deletions(-)