Fix two remaining igor warnings by making content appear right after <para>

en_US.ISO8859-1/books/handbook/preface/preface.xml

@@ -681,8 +681,7 @@
     simultaneously are shown with `<literal>+</literal>' between
     the keys, such as:</para>
 
-  <para>
-    <keycombo action="simul">
+  <para><keycombo action="simul">
       <keycap>Ctrl</keycap>
       <keycap>Alt</keycap>
       <keycap>Del</keycap></keycombo></para>
@@ -694,8 +693,7 @@
   <para>Keys that are meant to be typed in sequence will be separated
     with commas, for example:</para>
 
-  <para>
-    <keycombo action="simul">
+  <para><keycombo action="simul">
       <keycap>Ctrl</keycap>
       <keycap>X</keycap>
     </keycombo>,