NLSR no longer needs chronosync to build

Change-Id: Idbc166ecd9fdc4de2da0f68a3407af69bc6bee24
diff --git a/nlsr/debian/control b/nlsr/debian/control
index 97b6044..bcc762f 100644
--- a/nlsr/debian/control
+++ b/nlsr/debian/control
@@ -7,7 +7,6 @@
  pkg-config (>= 0.29),
  libboost-all-dev (>= 1.65.1),
  libndn-cxx-dev (>= 0.8.0),
- libchronosync-dev (>= 0.5.4),
  libpsync-dev (>= 0.3.0),
  python3-sphinx (>= 1.6.0),
  git