Fix wrong entitlement (sandbox) for mac build

Author: larsbaunwall

presenter-app/build/entitlements.mac.plist

@@ -8,7 +8,5 @@
     <true/>
     <key>com.apple.security.cs.allow-dyld-environment-variables</key>
     <true/>
-    <key>com.apple.security.app-sandbox</key>
-    <true/>
   </dict>
 </plist>