Remove unwanted space on lyric books when writing only chords

patacrep/songs/chordpro/data/latex/content_verse

@@ -1,4 +1,5 @@
 (*- if content.nolyrics -*)
+\ifchorded
 \begin{verse*}
 \musicnote{\nolyrics
   (* for line in content.lines *)
@@ -8,6 +9,7 @@
   (* endfor *)
 }
 \end{verse*}
+\fi
 (*- else *)
 \begin{(( content.type ))}
   (* for line in content.lines *)

test/test_chordpro/nolyrics.tex

@@ -12,19 +12,23 @@
 \end{verse}
 
 
+\ifchorded
 \begin{verse*}
 \musicnote{\nolyrics
     \[A B#]
 }
 \end{verse*}
+\fi
 
 
+\ifchorded
 \begin{verse*}
 \musicnote{\nolyrics
     \[A] \[B]\newline
     \[C]
 }
 \end{verse*}
+\fi
 
 
 \begin{verse}