lvm2: strip lvm.conf, ipk size down by ~20k

Signed-off-by: Maxim Storchak <m.storchak@gmail.com>

utils/lvm2/Makefile

@@ -76,6 +76,7 @@ define Package/lvm2/install
 	$(INSTALL_DIR) $(1)/sbin
 	$(INSTALL_BIN) $(PKG_BUILD_DIR)/tools/lvm $(1)/sbin
 	$(INSTALL_DIR) $(1)/etc/lvm
+	$(SED) '/^[[:space:]]*\(#\|$$$$\)/d' $(PKG_BUILD_DIR)/conf/example.conf
 	$(INSTALL_CONF) $(PKG_BUILD_DIR)/conf/example.conf $(1)/etc/lvm/lvm.conf
 	$(INSTALL_DIR) $(1)/etc/init.d
 	$(INSTALL_BIN) ./files/lvm2.init $(1)/etc/init.d/lvm2