Client: Remove unused UA_CunkState definition

src/client/ua_client_internal.h

@@ -124,11 +124,6 @@ typedef struct CustomCallback {
     const UA_DataType *outDataType;
 } CustomCallback;
 
-typedef enum {
-    UA_CHUNK_COMPLETED,
-    UA_CHUNK_NOT_COMPLETED
-} UA_ChunkState;
-
 typedef enum {
     UA_CLIENTAUTHENTICATION_NONE,
     UA_CLIENTAUTHENTICATION_USERNAME