Avoid running `git`

--- a/OpenRGBVisualMapPlugin.pro
+++ b/OpenRGBVisualMapPlugin.pro
@@ -27,10 +27,7 @@ MAJOR       = 0
 MINOR       = 9
 SUFFIX      = git
 
-SHORTHASH   = $$system("git rev-parse --short=7 HEAD")
 LASTTAG     = "release_"$$MAJOR"."$$MINOR
-COMMAND     = "git rev-list --count "$$LASTTAG"..HEAD"
-COMMITS     = $$system($$COMMAND)
 
 VERSION_NUM = $$MAJOR"."$$MINOR"."$$COMMITS
 VERSION_STR = $$MAJOR"."$$MINOR