Remove English traces in IPA inset that make XeTeX fail.

lib/examples/es/linguistics.lyx

@@ -3,7 +3,7 @@
 \begin_document
 \begin_header
 \save_transient_properties true
-\origin /systemlyxdir/examples/es/
+\origin unavailable
 \textclass article
 \begin_preamble
 %% Uncomment the following for Tableaux captions on top:
@@ -2043,13 +2043,7 @@ después
 \begin_inset IPA
 
 \begin_layout Standard
-
-\lang english
-[
-\lang spanish
-d
-\lang english
-̥] 
+[d̥]
 \end_layout
 
 \end_inset
@@ -2097,12 +2091,9 @@ debes insertar
 \family default
 Suponiendo que 
 \emph on
-preview-lat
-\family sans
+preview-latex
 \emph default
-e
-\family default
-x está instalado y que has activado la previsualización instantánea, (en
+ está instalado y que has activado la previsualización instantánea, (en
  
 \family sans
 Herramientas\SpecialChar menuseparator
@@ -2121,19 +2112,6 @@ tipa
 \begin_inset IPA
 
 \begin_layout Standard
-
-\family roman
-\series medium
-\shape up
-\size normal
-\emph off
-\bar no
-\strikeout off
-\uuline off
-\uwave off
-\noun off
-\color none
-\lang english
 [@n Ig"zA:mpl]
 \end_layout