fix(ios): resolve App Store validation errors

- Remove alpha channel from app icon (App Store rejects transparent icons)
- Set TARGETED_DEVICE_FAMILY to iPhone only (avoids iPad orientation requirements)
- Remove NDEF from NFC entitlement (disallowed with SDK 26.4 + min OS 16.0, we only use TAG)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: Claude

app/ios/FareBot.xcodeproj/project.pbxproj

@@ -304,7 +304,7 @@
 				PRODUCT_NAME = FareBot;
 				SDKROOT = iphoneos;
 				SWIFT_VERSION = 5.9;
-				TARGETED_DEVICE_FAMILY = "1,2";
+				TARGETED_DEVICE_FAMILY = 1;
 			};
 			name = Release;
 		};
@@ -336,7 +336,7 @@
 				PRODUCT_NAME = FareBot;
 				SDKROOT = iphoneos;
 				SWIFT_VERSION = 5.9;
-				TARGETED_DEVICE_FAMILY = "1,2";
+				TARGETED_DEVICE_FAMILY = 1;
 			};
 			name = Debug;
 		};

app/ios/FareBot/Assets.xcassets/AppIcon.appiconset/AppIcon.png

@@ -4,7 +4,6 @@
 <dict>
     <key>com.apple.developer.nfc.readersession.formats</key>
     <array>
-        <string>NDEF</string>
         <string>TAG</string>
     </array>
 </dict>