treewide: fix broken conffiles

Signed-off-by: Huangbin Zhan <zhanhb88@gmail.com>

net/dante/Makefile

@@ -87,7 +87,7 @@ This package provides the Dante sockd daemon.
 endef
 
 define Package/sockd/conffiles
-	/etc/sockd.conf
+/etc/sockd.conf
 endef
 
 define Package/sockd/install
@@ -116,7 +116,7 @@ This package provides the Dante socksify client.
 endef
 
 define Package/socksify/conffiles
-	/etc/socks.conf
+/etc/socks.conf
 endef
 
 define Package/socksify/install

net/frp/Makefile

@@ -51,7 +51,7 @@ define Package/frp/template
   endef
 
   define Package/$(1)/conffiles
-  /etc/config/$(1)
+/etc/config/$(1)
   endef
 
   define Package/$(1)/install

utils/podman/Makefile

@@ -69,11 +69,11 @@ define Package/podman-selinux/description
 endef
 
 define Package/podman/conffiles
-  /etc/containers/policy.json
-  /etc/containers/storage.conf
-  /etc/containers/registries.conf
-  /etc/containers/containers.conf
-  /etc/cni/net.d/87-podman-bridge.conflist
+/etc/containers/policy.json
+/etc/containers/storage.conf
+/etc/containers/registries.conf
+/etc/containers/containers.conf
+/etc/cni/net.d/87-podman-bridge.conflist
 endef
 
 Package/podman-selinux/conffiles = $(Package/podman/conffiles)