Remove useless files now that functions are out of line

kernel/CMakeLists.txt

@@ -1,11 +1,9 @@
 set(SOURCES 
     src/main.cpp
-    src/luna/String.cpp
     src/Framebuffer.cpp
     src/MemoryManager.cpp
     src/Init.cpp
     src/arch/Serial.cpp
-    src/luna/Format.cpp
 )
 
 # x86-64 specific

kernel/src/luna/Format.cpp

@@ -1,3 +0,0 @@
-/* This file instantiates the functions from Luna's Format.h into a translation unit, and serves no other purpose. */
-#define _LUNA_IMPLEMENTATION
-#include <Format.h>

kernel/src/luna/String.cpp

@@ -1,3 +0,0 @@
-/* This file instantiates the functions from Luna's String.h into a translation unit, and serves no other purpose. */
-#define _LUNA_IMPLEMENTATION
-#include <String.h>