configure.ac: do require unused dlopen

Change-Id: Iaf9729156ace5f8dc9134094ab3c0a185c7184d5
---
M configure.ac
1 file changed, 0 insertions(+), 3 deletions(-)

diff --git a/configure.ac b/configure.ac
index 15974ee..a3570a9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -31,9 +31,6 @@
 PKG_PROG_PKG_CONFIG([0.20])
 
 dnl checks for libraries
-AC_SEARCH_LIBS([dlopen], [dl dld], [LIBRARY_DL="$LIBS";LIBS=""])
-AC_SUBST(LIBRARY_DL)
-
 PKG_CHECK_MODULES(LIBOSMOCORE, libosmocore >= 1.7.0)
 
 dnl checks for header files

