disable instalation of libtool pseudo-libraries

diff --git a/build-aux/ltmain.sh b/build-aux/ltmain.sh
index 8dab662..09b15c6 100644
--- a/build-aux/ltmain.sh
+++ b/build-aux/ltmain.sh
@@ -4346,7 +4346,6 @@ func_mode_install ()
 	func_basename "$file"
 	name=$func_basename_result
 	instname=$dir/${name}i
-	func_show_eval "$install_prog $instname $destdir/$name" 'exit $?'
 
 	# Maybe install the static library, too.
 	test -n "$old_library" && func_append staticlibs " $dir/$old_library"