Removed not used skins for 3.0 beta1.
Removed not used skins for 3.0 beta1.

vlascoder/otrs,xhoy/otrs,muehlbauer/otrs,brandonshults01/otrs,balazj/otrs,StCyr/otrs,linearregression/otrs,eliasp/otrs,moritz/otrs,nilei/otrs,thorsteneckel/otrs,moritz/otrs,balazj/otrs,linearregression/otrs,rudy500/otrs,rudy500/otrs,PortgasDAce/otrs,nilei/otrs,brandonshults01/otrs,muehlbauer/otrs,oiami/otrs,crythias/otrs,MBRG/otrs,mburggraf/otrs,eliasp/otrs,rudy500/otrs,brandonshults01/otrs,vlascoder/otrs,capeit-tto/otrs,linearregression/otrs,noritnk/otrs,linearregression/otrs,muehlbauer/otrs,brandonshults01/otrs,mburggraf/otrs,balazj/otrs,StCyr/otrs,s7design/otrs,moritz/otrs,crythias/otrs,xhoy/otrs,capeit-tto/otrs,MBRG/otrs,crythias/otrs,balazj/otrs,oiami/otrs,xhoy/otrs,capeit-tto/otrs,crythias/otrs,balazj/otrs,thorsteneckel/otrs,moritz/otrs,StCyr/otrs,noritnk/otrs,nilei/otrs,linearregression/otrs,xhoy/otrs,MBRG/otrs,StCyr/otrs,nilei/otrs,StCyr/otrs,mburggraf/otrs,PortgasDAce/otrs,MBRG/otrs,mburggraf/otrs,thorsteneckel/otrs,PortgasDAce/otrs,xhoy/otrs,noritnk/otrs,MBRG/otrs,vlascoder/otrs,mburggraf/otrs,PortgasDAce/otrs,s7design/otrs,oiami/otrs,muehlbauer/otrs,s7design/otrs,moritz/otrs,oiami/otrs,muehlbauer/otrs,oiami/otrs,rudy500/otrs,s7design/otrs,eliasp/otrs,rudy500/otrs,thorsteneckel/otrs,s7design/otrs,eliasp/otrs,mbeijen/otrs-1,thorsteneckel/otrs,nilei/otrs,crythias/otrs,PortgasDAce/otrs,mbeijen/otrs-1,brandonshults01/otrs,mbeijen/otrs-1,eliasp/otrs