Fix(macos): remove entitlement unsupported by macOS

MacOS does not support the Data Protection entitlement, so these two lines
make it impossible to build a distribution package for GitHub.

Context: https://stackoverflow.com/questions/62156339/catalyst-app-how-do-i-enable-com-apple-developer-default-data-protection-entitl

KeePassium/KeePassium-macOS.entitlements

@@ -8,8 +8,6 @@
 	</array>
 	<key>com.apple.developer.authentication-services.autofill-credential-provider</key>
 	<true/>
-	<key>com.apple.developer.default-data-protection</key>
-	<string>NSFileProtectionComplete</string>
 	<key>com.apple.developer.icloud-container-identifiers</key>
 	<array>
 		<string>iCloud.com.keepassium.ios</string>