lilypond.lyx: remove version info

The LyX version is not necessary

lib/examples/lilypond.lyx

@@ -67,6 +67,7 @@ lilypond
 \suppress_date true
 \justification true
 \use_refstyle 0
+\use_minted 0
 \index Index
 \shortcut idx
 \color #008000
@@ -82,6 +83,7 @@ lilypond
 \is_math_indent 0
 \math_numbering_side default
 \quotes_style english
+\dynamic_quotes 0
 \papercolumns 1
 \papersides 1
 \paperpagestyle default
@@ -90,7 +92,6 @@ lilypond
 \html_math_output 0
 \html_css_as_file 0
 \html_be_strict true
-\use_minted 0
 \end_header
 
 \begin_body
@@ -105,10 +106,6 @@ The \SpecialChar LyX
  Team
 \end_layout
 
-\begin_layout Date
-Version 2.1.x
-\end_layout
-
 \begin_layout Abstract
 This document explains and demonstrates the inclusion of musical snippets
  in a \SpecialChar LyX
@@ -266,6 +263,7 @@ status open
 status open
 
 \begin_layout Plain Layout
+
 staffsize=28
 \end_layout
 
@@ -401,6 +399,7 @@ status open
 status open
 
 \begin_layout Plain Layout
+
 staffsize=12
 \end_layout