Mostly nuking old system

src/asset/asset.h

@@ -72,12 +72,6 @@ static const char_t *ASSET_SEARCH_PATHS[] = {
   NULL
 };
 
-#pragma pack(push, 1)
-typedef struct {
-  char_t header[ASSET_HEADER_SIZE];
-} assetheader_t;
-#pragma pack(pop)
-
 typedef struct {
   zip_t *zip;
   char_t systemPath[FILENAME_MAX];