poster-a0poster-simple.lyx: rm ref to a0poster-kh

a0poster-kh is unmaintained and non-standard. Note that URL in the
removed \item was broken.

For more information, see discussion on list:
https://www.mail-archive.com/search?l=mid&q=20171006055205.jdicpppko3tjrlef%40steph

lib/templates/poster-a0poster-simple.lyx

@@ -57,6 +57,7 @@
 \suppress_date false
 \justification true
 \use_refstyle 0
+\use_minted 0
 \index Index
 \shortcut idx
 \color #008000
@@ -72,6 +73,7 @@
 \is_math_indent 0
 \math_numbering_side default
 \quotes_style english
+\dynamic_quotes 0
 \papercolumns 1
 \papersides 1
 \paperpagestyle empty
@@ -80,7 +82,6 @@
 \html_math_output 0
 \html_css_as_file 0
 \html_be_strict false
-\use_minted 0
 \end_header
 
 \begin_body
@@ -626,27 +627,6 @@ Additional Features
 .
 \end_layout
 
-\begin_layout Itemize
-The 
-\family sans
-a0poster-kh
-\family default
- package (
-\begin_inset Flex URL
-status collapsed
-
-\begin_layout Plain Layout
-
-http://www.physik.uni-augsburg.de/theo3/Comp/hp750c/computing_hp750c_A0.de.shtml
-\end_layout
-
-\end_inset
-
-) provides additional commands for color, headings, columns, and boxes,
- but those are not natively supported by \SpecialChar LyX
-.
-\end_layout
-
 \end_inset