feat(i18n): add missing strings and remove unused

i18n/en-US.yml

@@ -51,6 +51,7 @@ actions:
     confirmDeletePlace: Would you like to remove this place?
     emailVerificationResent: The email verification message has been resent.
     genericError: "An error was encountered: {err}"
+    getDependentUserInfoFailed: Error getting mobility profile information.
     itineraryExistenceCheckFailed: Error checking whether your selected trip is possible.
     mustAcceptTermsToSavePlace: Please accept the Terms of Use (under My Account) to save locations.
     mustBeLoggedInToSavePlace: Please log in to save locations.
@@ -195,7 +196,6 @@ components:
   BatchSearchScreen:
     advancedHeader: Advanced Preferences
     header: Plan Your Trip
-    modeOptions: Mode Options
     modeSelectorLabel: Select a travel mode
     moreOptions: More options
     saveAndReturn: Save and return