Resolve "Window creation"

Closes #8 (closed)

projects/first_triangle/src/main.cpp

@@ -2,7 +2,6 @@
 #include <iostream>
 #include <vkcv/Context.hpp>
 #include <vkcv/Window.hpp>
-#include <vkcv/CoreManager.hpp>
 
 int main(int argc, const char** argv) {
     const char* applicationName = "First Triangle";