[nostalgia] Remove dynamic library usage

Will make dynamically loaded Modules impossible, but they add complexity
and really aren't that useful...

src/nostalgia/core/gfx.cpp

@@ -11,7 +11,7 @@
 namespace nostalgia::core {
 
 // map ASCII values to the nostalgia charset
-static char charMap[128] = {
+char charMap[128] = {
 	0,
 	0,
 	0,
@@ -175,12 +175,6 @@ uint8_t blue32(Color16 c) noexcept {
 	return blue16(c) * 8;
 }
 
-void puts(Context *ctx, int column, int row, const char *str) {
-	for (int i = 0; str[i]; i++) {
-		setTile(ctx, 0, column + i, row, static_cast<uint8_t>(charMap[static_cast<int>(str[i])]));
-	}
-}
-
 static_assert(color16(0, 31, 0, 0) == 992);
 static_assert(color16(16, 31, 0, 0) == 1008);
 static_assert(color16(16, 31, 8, 0) == 9200);