i18n: drop unused strings

client/src/javascript/i18n/strings/en.json

@@ -37,7 +37,6 @@
   "button.retry": "Retry",
   "button.save": "Save Settings",
   "button.save.feed": "Save",
-  "button.state.adding": "Adding...",
   "button.yes": "Yes",
   "connection-interruption.action.selection.config": "Update client connection settings",
   "connection-interruption.action.selection.retry": "Retry with current client connection settings",
@@ -71,15 +70,11 @@
   "connection.settings.transmission.url.input.placeholder": "e.g. http://localhost:9091/transmission/rpc",
   "connection.settings.transmission.username": "Username",
   "connection.settings.transmission.username.input.placeholder": "Username",
-  "connectivity.modal.content": "Cannot connect to the client. Please update connection settings.",
-  "connectivity.modal.title": "Connectivity Issue",
   "dependency.loading.notifications": "Notifications",
   "dependency.loading.torrent.list": "Torrent List",
   "dependency.loading.torrent.taxonomy": "Torrent Taxonomy",
   "dependency.loading.transfer.history": "Data Transfer History",
   "dependency.loading.transfer.rate.details": "Data Transfer Rate Details",
-  "feeds.add.automatic.download.rule": "Add Download Rule",
-  "feeds.add.feed": "Add Feed",
   "feeds.applicable.feed": "Applicable Feed",
   "feeds.apply.tags": "Apply Tags",
   "feeds.browse.feeds": "Browse feeds",
@@ -125,7 +120,6 @@
   "filesystem.error.no.input": "Please enter the path.",
   "filesystem.error.unknown": "An unknown error occurred. Please try again.",
   "filesystem.fetching": "Fetching directory structure...",
-  "filesystem.parent.directory": "Parent Directory",
   "filter.all": "All",
   "filter.status.active": "Active",
   "filter.status.checking": "Checking",
@@ -140,14 +134,12 @@
   "filter.tracker.title": "Filter by Tracker",
   "filter.untagged": "Untagged",
   "general.ago": "ago",
-  "general.at": "at",
   "general.clipboard.copied": "Copied",
   "general.clipboard.copy": "Copy",
   "general.error.unknown": "An unknown error occurred",
   "general.of": "of",
   "general.to": "to",
   "locale.language.auto": "Automatic",
-  "locale.language.translate": "Start to translate",
   "mediainfo.execError": "An error occurred while running mediainfo on the server. Check that mediainfo is installed and available in the PATH to Flood.",
   "mediainfo.fetching": "Fetching...",
   "mediainfo.heading": "Mediainfo Output",
@@ -164,7 +156,6 @@
   "priority.high": "High",
   "priority.low": "Low",
   "priority.normal": "Normal",
-  "settings.about.flood": "About Flood",
   "settings.bandwidth.slots.download.global.label": "Download Slots Global",
   "settings.bandwidth.slots.download.label": "Download Slots Per Torrent",
   "settings.bandwidth.slots.heading": "Slot Availability",