Remove Share App action from settings.

Co-authored-by: Cursor <cursoragent@cursor.com>

smart_printer/SettingsView.swift

@@ -119,13 +119,6 @@ final class SettingsView: NSView, AppearanceRefreshable {
     private func makeAppCard() -> NSView {
         let card = SettingsGroupCard()
 
-        card.addRow(SettingsActionRow(symbolName: "square.and.arrow.up", title: "Share App") {
-            guard let url = Bundle.main.bundleURL as URL? else { return }
-            let picker = NSSharingServicePicker(items: [url])
-            if let view = NSApp.keyWindow?.contentView {
-                picker.show(relativeTo: .zero, of: view, preferredEdge: .minY)
-            }
-        })
         card.addRow(SettingsToggleRow(
             symbolName: "moon.fill",
             title: "Dark Mode",