Cleanup language again

Author: koppor

jablib/src/main/resources/l10n/JabRef_en.properties

@@ -3213,7 +3213,6 @@ PAT\ with\ repo\ access=PAT with repo access
 Your\ GitHub\ username=Your GitHub username
 GitHub\ username\ is\ required=GitHub username is required
 Cannot\ pull\:\ Please\ save\ the\ library\ to\ a\ file\ first.=Cannot pull: Please save the library to a file first.
-Cannot\ pull\:\ \.bib\ file\ path\ missing\ in\ BibDatabaseContext.=Cannot pull: .bib file path missing in BibDatabaseContext.
 Git\ Pull\ Failed=Git Pull Failed
 Share\ library\ to\ GitHub=Share library to GitHub
 Share\ this\ library\ to\ GitHub=Share this library to GitHub