Revert "adapt Rakefile to submit to correct build service project in …

…maintenance branch SLE-12-GA"

This reverts commit c3d08a0.

Rakefile

@@ -1,10 +1,6 @@
 require "yast/rake"
 
 Yast::Tasks.configuration do |conf|
-  conf.obs_api = "https://api.suse.de/"
-  conf.obs_target = "SLE_12"
-  conf.obs_sr_project = "SUSE:SLE-12:Update:Test"
-  conf.obs_project = "Devel:YaST:SLE-12"
   #lets ignore license check for now
   conf.skip_license_check << /.*/
 end