Removed Visual Studio ignore rules from umbraco.gitignore

Umbraco.gitignore

-# Ignore Visual Studio and system files
-*.diff
-*.err
-*.orig
-*.obj
-*.pdb
-*.user
-*.aps
-*.pch
-*.vspscc
-*.vssscc
-*_i.c
-*_p.c
-*.ncb
-*.suo
-*.tlb
-*.tlh
-*.bak
-*.cache
-*.ilk
-*.log
-*.lib
-*.sbr
-*.scc
-*.resharper
-*.rej
-*.swo
-*.swp
-*.DS_Store
-*.[Pp]ublish.xml
-
-# Ignore Visual Studio and plugin folders
-[Bb]in
-[Dd]ebug
-[Oo]bj/
-[Rr]elease
-[Pp]review
-[Tt]humbs.db
-[Tt]est[Rr]esult*
-[Bb]uild[Ll]og.*
-_ReSharper
-
 # Ignore Umbraco folders (Generated folders created by Umbraco)
 ClientDependency/
 TEMP/