[nostalgia] Switch from conan to vcpkg

README.md

@@ -5,7 +5,6 @@
 * Install GCC, Clang, or Visual Studio with C++17 support (including std::filesystem)
 * Install [devkitPro](https://devkitpro.org/wiki/Getting_Started) to build for GBA
 * Install Ninja, Make, and CMake
-* Install [Conan](https://conan.io/)
 * Consider also installing ccache for faster subsequent build times
 
 ## Platform Specific Setup
@@ -18,8 +17,8 @@ Install and use gmake instead of the make that comes with the system.
 
 Build options: release, debug, asan, gba, gba-debug
 
-	make setup-conan
-	make purge conan configure-{gba,release,debug} install
+	make vcpkg
+	make purge configure-{gba,release,debug} install
 
 ## Run