Don't copy over package versions into package-list for bootstrap.

* This decouples the versions referenced by the architecture-specific
  repository file from the actual versions available in the haikuports
  branch that happens to be used for the bootstrap build.

build/jam/ImageRules

@@ -1153,7 +1153,7 @@ rule BuildHaikuImagePackageList target
 	}
 
 	# extract the versioned package names (without revision)
-	packageFiles = [ Match "(.*)-[^-]*-[^-]*" : $(packageFiles:B) ] ;
+	packageFiles = [ Match "^([^-]*)" : $(packageFiles:B) ] ;
 
 	HAIKU_IMAGE_PACKAGES on $(target) = $(packageFiles) ;
 }