Remove pointless #imports from .m and .h files

This was done with a brute-force approach, ensuring no additional
warnings from GCC 4.9 under x86_64.

OpenChange/MAPIStoreMapping.m

@@ -22,11 +22,6 @@
 
 #include <inttypes.h>
 
-#import <Foundation/NSArray.h>
-#import <Foundation/NSDictionary.h>
-#import <Foundation/NSException.h>
-#import <Foundation/NSString.h>
-#import <Foundation/NSValue.h>
 
 #import <NGExtensions/NSObject+Logs.h>
 #import <NGExtensions/NSObject+Values.h>
@@ -37,9 +32,7 @@
 #include <mapistore/mapistore.h>
 #include <mapistore/mapistore_errors.h>
 
-#import "MAPIStoreTypes.h"
 
-#import "MAPIStoreMapping.h"
 
 #include <talloc.h>