Remove subdir statements from some of the packages

Those were removed in master and causing problem on server as OpenWrt build system consider archive in DL directory to be same but content is different between master and for-v4.0 branch. This should fix that.

Note that cleanup of dl directory on server is required.

collect/sentinel/sentinel-dynfw-client/Makefile

@@ -9,14 +9,11 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=sentinel-dynfw-client
 PKG_VERSION:=1.0
-PKG_RELEASE:=3
+PKG_RELEASE:=4
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://gitlab.labs.nic.cz/turris/sentinel/dynfw-client.git
-PKG_SOURCE:=$(PKG_NAME).tar.gz
 PKG_SOURCE_VERSION:=v$(PKG_VERSION)
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_SOURCE_VERSION).tar.gz
-PKG_SOURCE_SUBDIR:=$(PKG_NAME)
-PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)
 
 PKG_MAINTAINER:=Martin Petracek <martin.petracek@nic.cz>
 PKG_LICENSE:=GPL-3.0