Remove redundant hardening rule.

debian/changelog

@@ -3,6 +3,7 @@ lxqt-panel (1.3.0-0ubuntu1) UNRELEASED; urgency=medium
   * New upstream release.
   * Bump build dependencies.
   * Fix some build dependencies that were renamed.
+  * Remove redundant hardening rule.
 
  -- Simon Quigley <tsimonq2@ubuntu.com>  Fri, 11 Aug 2023 11:32:54 -0500
 

debian/rules

@@ -2,7 +2,6 @@
 # export DH_VERBOSE=1
 
 export LC_ALL=C.UTF-8
-export DEB_LDFLAGS_MAINT_APPEND = -Wl,--as-needed
 export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 
 include /usr/share/dpkg/architecture.mk