management: Fix exception handling in nfd::Controller

Change-Id: I2acc3a25fd3ec11907b9ea4d4344f24512384f78
diff --git a/src/management/nfd-controller.cpp b/src/management/nfd-controller.cpp
index b75f0e0..00a5378 100644
--- a/src/management/nfd-controller.cpp
+++ b/src/management/nfd-controller.cpp
@@ -106,16 +106,6 @@
       if (static_cast<bool>(onFail))
         return onFail(e.what());
     }
-  catch(ControlResponse::Error& e)
-    {
-      if (static_cast<bool>(onFail))
-        return onFail(e.what());
-    }
-  catch(FibManagementOptions::Error& e)
-    {
-      if (static_cast<bool>(onFail))
-        return onFail(e.what());
-    }
 }
 
 } // namespace nfd