fix: fix build issue in Unvirt and LibCmo

- fix build issue in Unvirt and LibCmo
- due to we use UTF8 string. the accessible value generator in EnumsMigration need to be changed at the same time.
- remove string helper in Unvirt because we no longer need it.

LibCmo/CK2/CKTypes.hpp

@@ -89,6 +89,11 @@ namespace LibCmo {
 #define PRI_CKSTRING "s"
 #define PRI_CKCHAR "c"
 
+#define CKBYTE_C(v) UINT8_C(v)
+#define CKWORD_C(v) UINT16_C(v)
+#define CKDWORD_C(v) UINT32_C(v)
+#define CKQWORD_C(v) UINT64_C(v)
+
 #define PRIuCKBYTE PRIu8
 #define PRIuCKWORD PRIu16
 #define PRIuCKDWORD PRIu32
@@ -104,6 +109,8 @@ namespace LibCmo {
 #define PRIXCKDWORD PRIX32
 #define PRIXCKQWORD PRIX64
 
+#define CKINT_C(v) INT32_C(v)
+
 #define PRIiCKINT PRIi32
 
 #define PRIfCKFLOAT "f"