fix: update Swedish translations and remove unused strings (#2090)

lib/I18n/translations/english.yaml

@@ -45,7 +45,6 @@ STR_OPEN_URL_HINT: "Open this URL in your browser"
 STR_OR_HTTP_PREFIX: "or http://"
 STR_SCAN_QR_HINT: "or scan QR code with your phone:"
 STR_CALIBRE_WIRELESS: "Calibre Wireless"
-STR_CALIBRE_WEB_URL: "OPDS URL"
 STR_NETWORK_LEGEND: "* = Encrypted | + = Saved"
 STR_MAC_ADDRESS: "MAC address:"
 STR_CHECKING_WIFI: "Checking Wi-Fi..."
@@ -63,7 +62,6 @@ STR_CAT_CONTROLS: "Controls"
 STR_CAT_SYSTEM: "System"
 STR_SLEEP_SCREEN: "Sleep Screen"
 STR_QUICK_RESUME_TIMEOUT: "Quick Resume on Timeout"
-STR_AFTER_TIMEOUT: "After Timeout"
 STR_SLEEP_COVER_MODE: "Sleep Screen Cover Mode"
 STR_HIDE_BATTERY: "Hide Battery %"
 STR_EXTRA_SPACING: "Extra Paragraph Spacing"
@@ -330,7 +328,6 @@ STR_ADD_SERVER: "Add Server"
 STR_SERVER_NAME: "Server Name"
 STR_NO_SERVERS: "No OPDS servers configured"
 STR_DELETE_SERVER: "Delete Server"
-STR_DELETE_CONFIRM: "Delete this server?"
 STR_OPDS_SERVERS: "OPDS Servers"
 STR_AUTO_TURN_ENABLED: "Auto Turn Enabled: "
 STR_AUTO_TURN_PAGES_PER_MIN: "Auto Turn (Pages Per Minute)"
@@ -341,14 +338,8 @@ STR_NO_FONTS_AVAILABLE: "No fonts available"
 STR_FONT_INSTALLED: "Font installed!"
 STR_FONT_INSTALL_FAILED: "Font installation failed"
 STR_INSTALLED: "Installed"
-STR_CONFIRM_DOWNLOAD_PROMPT: "Download?"
-STR_SD_CARD_FULL: "Insufficient SD card space"
-STR_FILES_LABEL: "Files: "
-STR_SIZE_LABEL: "Size: "
-STR_REDOWNLOAD: "Re-download"
 STR_DOWNLOAD_ALL: "Download All"
 STR_UPDATE_ALL: "Update All"
-STR_ALL_FONTS_INSTALLED: "All fonts installed!"
 STR_UPDATE_AVAILABLE: "Update"
 STR_CRASH_TITLE: "System Crash"
 STR_CRASH_DESCRIPTION: "A detailed report was saved to crash_report.txt. Please include this file in your bug report."