Global: drop json-c and switch to yyjson

src/modules/disk/disk.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "fastfetch.h"
+#include <yyjson.h>
 
 #define FF_DISK_MODULE_NAME "Disk"
 
@@ -8,8 +9,4 @@ void ffPrintDisk(FFinstance* instance, FFDiskOptions* options);
 void ffInitDiskOptions(FFDiskOptions* options);
 bool ffParseDiskCommandOptions(FFDiskOptions* options, const char* key, const char* value);
 void ffDestroyDiskOptions(FFDiskOptions* options);
-
-#ifdef FF_HAVE_JSONC
-#include "common/jsonconfig.h"
-void ffParseDiskJsonObject(FFinstance* instance, json_object* module);
-#endif
+void ffParseDiskJsonObject(FFinstance* instance, yyjson_val* module);