Merge pull request #2769 from xexyl/gitignore-vim-swp

.gitignore

@@ -4,10 +4,7 @@
 ._.DS_Store
 .auth.json
 .info.json
-.su[a-z]
-.*.sv[a-z]
-.*.sw[a-z]
-.sw[a-zA-Z0-9]
+.s[a-zA-Z][a-zA-Z0-9]
 .tmp.*
 /NOTES
 /archive/historic/[12][0-9][0-9][0-9]