exch: delete duplicate MAPI_MODIFY definitions

MFCMAPI displays PR_ACCESS_LEVEL with MAPI_MODIFY / 0 as
canonicalized values.

Author: jengelh

exch/emsmdb/attachment_object.cpp

@@ -223,8 +223,7 @@ static BOOL attachment_object_get_calculated_property(const attachment_object *p
 		*ppvalue = v;
 		if (*ppvalue == nullptr)
 			return FALSE;
-		*v = (pattachment->open_flags & MAPI_MODIFY) ?
-		     ACCESS_LEVEL_MODIFY : ACCESS_LEVEL_READ_ONLY;
+		*v = pattachment->open_flags & MAPI_MODIFY;
 		return TRUE;
 	}
 	case PR_OBJECT_TYPE: {

exch/emsmdb/message_object.cpp

@@ -833,8 +833,7 @@ static BOOL message_object_get_calculated_property(const message_object *pmessag
 		*ppvalue = v;
 		if (*ppvalue == nullptr)
 			return FALSE;
-		*v = (pmessage->open_flags & MAPI_MODIFY) ?
-			ACCESS_LEVEL_MODIFY : ACCESS_LEVEL_READ_ONLY;
+		*v = pmessage->open_flags & MAPI_MODIFY;
 		return TRUE;
 	}
 	case PR_ENTRYID:

exch/zcore/attachment_object.cpp

@@ -178,8 +178,7 @@ static BOOL attachment_object_get_calculated_property(attachment_object *pattach
 		*ppvalue = cu_alloc<uint32_t>();
 		if (*ppvalue == nullptr)
 			return FALSE;
-		*static_cast<uint32_t *>(*ppvalue) = pattachment->b_writable ?
-			ACCESS_LEVEL_MODIFY : ACCESS_LEVEL_READ_ONLY;
+		*static_cast<uint32_t *>(*ppvalue) = pattachment->b_writable ? MAPI_MODIFY : 0;
 		return TRUE;
 	case PR_OBJECT_TYPE: {
 		auto v = cu_alloc<uint32_t>();

exch/zcore/message_object.cpp

@@ -702,8 +702,7 @@ static BOOL message_object_get_calculated_property(message_object *pmessage,
 		*ppvalue = cu_alloc<uint32_t>();
 		if (*ppvalue == nullptr)
 			return FALSE;
-		*static_cast<uint32_t *>(*ppvalue) = pmessage->b_writable ?
-			ACCESS_LEVEL_MODIFY : ACCESS_LEVEL_READ_ONLY;
+		*static_cast<uint32_t *>(*ppvalue) = pmessage->b_writable ? MAPI_MODIFY : 0;
 		return TRUE;
 	case PR_ENTRYID:
 		if (pmessage->message_id == 0)

include/gromox/mapi_types.hpp

@@ -955,9 +955,6 @@ enum {
 #define FIND_ROW_FLAG_FORWARD						0x0
 #define FIND_ROW_FLAG_BACKWARD						0x1
 
-#define ACCESS_LEVEL_READ_ONLY						0x00000000
-#define ACCESS_LEVEL_MODIFY							0x00000001
-
 #define SAVE_FLAG_KEEPOPENREADONLY					0x01
 #define SAVE_FLAG_KEEPOPENREADWRITE					0x02
 #define SAVE_FLAG_FORCESAVE							0x04