Remove Graphics module and fix compilation

examples/Particles/build_disabled.lua

@@ -0,0 +1,17 @@
+EXAMPLE.Name = "Particles"
+
+EXAMPLE.EnableConsole = true
+
+EXAMPLE.Files = {
+	"*.hpp",
+	"*.inl",
+	"*.cpp"
+}
+
+EXAMPLE.Libraries = {
+	"NazaraSDK"
+}
+
+if Config.PlatformSDL2 then
+	table.insert(EXAMPLE.Defines, "NAZARA_PLATFORM_SDL2")
+end