Stop passing RSH and MANCONF to configure.

The former was only needed by xsm, the latter by xman, before the
xbase-clients split.

debian/changelog

@@ -4,6 +4,8 @@ x11-xserver-utils (7.6+4) UNRELEASED; urgency=low
   * xset 1.2.2
     + add build-dep on x11proto-core-dev 7.0.17
   * Drop --disable-xprint from configure flags, it's not used anywhere.
+  * Stop passing RSH and MANCONF to configure.  The former was only needed by
+    xsm, the latter by xman, before the xbase-clients split.
 
   [ Moritz Muehlenhoff ]
   * Enable hardened build flags (closes: #655503)

debian/rules

@@ -48,9 +48,9 @@ $(STAMP_DIR)/build-%: $(STAMP_DIR)/genscripts $(STAMP_DIR)/patch
 	cd $*-build && \
 	../$*/configure --prefix=/usr --mandir=\$${prefix}/share/man \
 	                --infodir=\$${prefix}/share/info $(confflags) \
-	                CFLAGS="$(CFLAGS)" CPPFLAGS="$(CPPFLAGS)" LDFLAGS="$(LDFLAGS)" \
-	                RSH=rsh \
-	                MANCONF="/etc/manpath.config"
+	                CFLAGS="$(CFLAGS)" \
+			CPPFLAGS="$(CPPFLAGS)" \
+			LDFLAGS="$(LDFLAGS)"
 	cd $*-build && $(MAKE)
 	>$@