Delete old template and update songbook file

lieder/vorlage_light/vorlage_light_old.ly

@@ -1,37 +0,0 @@
-\version "2.25.8"
-
-\include "../../lilypond-custom-includes/base_config.ily"
-\include "../../lilypond-song-includes/liedbausteine/sandbox.ly"
-
-HEADER = \bookpart {
-  \header {
-    \basicSongInfo
-    categories = ""
-    infotext = ""
-  }
-}
-
-breakVoice = \relative c' {
-  s1 \break
-}
-
-MUSIC = {
-  <<
-      \songChords
-      \new Staff = "firstStaff"
-      <<
-        \new Voice = "firstVoice" { \melodyVoice }
-        \addlyrics { \firstVerse \refLyrics }
-        %\new Voice { \breakVoice }
-      >>
-  >>
-}
-
-TEXT = \markuplist {
-  \group-verses {
-    \override #'(custom-verse-breaks "" "")
-    \chordverse #(stanza 3) \thirdVerseMarkup
-  }
-}
-
-\include "public_includes/layout_bottom.ily"

liederbuecher/beispiel_liederbuch/beispiel_liederbuch.ly

@@ -1,4 +1,4 @@
-\version "2.18"
+\version "2.25.80"
 
 % point and click blows up the pdf
 \pointAndClickOff