Remove unused Cartfile

Cartfile.project

@@ -1,20 +0,0 @@
-KingfisherSwiftUI:
-  project: Kingfisher.xcworkspace
-  sdks:
-  - watchsimulator
-  - iphonesimulator
-  - appletvsimulator
-  - watchos
-  - appletvos
-  - iphoneos
-  - macosx
-Kingfisher:
-  project: Kingfisher.xcworkspace
-  sdks:
-  - watchsimulator
-  - iphonesimulator
-  - appletvsimulator
-  - watchos
-  - appletvos
-  - iphoneos
-  - macosx