Remove widget extension

Delete KisaniCalWidget target, Shared/WidgetDataStore, WidgetBridge,
App Group entitlements, and all syncWidget() calls.

project.yml

@@ -13,7 +13,6 @@ targets:
     deploymentTarget: "16.0"
     sources:
       - path: KisaniCal
-      - path: Shared
     settings:
       base:
         SWIFT_VERSION: 5.9
@@ -29,27 +28,5 @@ targets:
         ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME: AccentColor
         CODE_SIGN_STYLE: Automatic
         ENABLE_PREVIEWS: YES
-        CODE_SIGN_ENTITLEMENTS: KisaniCal/KisaniCal.entitlements
         INFOPLIST_KEY_NSCalendarsUsageDescription: "Kisani Cal shows your calendar events alongside tasks."
         INFOPLIST_KEY_NSCalendarsFullAccessUsageDescription: "Kisani Cal shows your calendar events alongside tasks."
-    dependencies:
-      - target: KisaniCalWidget
-        embed: true
-
-  KisaniCalWidget:
-    type: app-extension
-    platform: iOS
-    deploymentTarget: "17.0"
-    sources:
-      - path: KisaniCalWidget
-      - path: Shared
-    settings:
-      base:
-        SWIFT_VERSION: 5.9
-        PRODUCT_BUNDLE_IDENTIFIER: com.kutesir.KisaniCal.widget
-        GENERATE_INFOPLIST_FILE: YES
-        INFOPLIST_KEY_NSExtensionPointIdentifier: com.apple.widgetkit-extension
-        CODE_SIGN_STYLE: Automatic
-        CODE_SIGN_ENTITLEMENTS: KisaniCalWidget/KisaniCalWidget.entitlements
-        SKIP_INSTALL: YES
-        LD_RUNPATH_SEARCH_PATHS: "$(inherited) @executable_path/Frameworks @executable_path/../../Frameworks"