[configs/releng] pacman 4.1 compatibility

* Remove the unattended-keyring-init patch as this was applied by upstream with pacamn 4.1
* Update our pacman.conf following the new upstream default

Signed-off-by: Pierre Schmitz <pierre@archlinux.de>
Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>

build.sh

@@ -79,7 +79,6 @@ make_setup_mkinitcpio() {
 make_customize_root_image() {
     cp -af ${script_path}/root-image ${work_dir}/${arch}
 
-    patch ${work_dir}/${arch}/root-image/usr/bin/pacman-key < ${script_path}/pacman-key-4.0.3_unattended-keyring-init.patch
     curl -o ${work_dir}/${arch}/root-image/etc/pacman.d/mirrorlist 'https://www.archlinux.org/mirrorlist/?country=all&protocol=http&use_mirror_status=on'
 
     lynx -dump -nolist 'https://wiki.archlinux.org/index.php/Installation_Guide?action=render' >> ${work_dir}/${arch}/root-image/root/install.txt

pacman-key-4.0.3_unattended-keyring-init.patch

@@ -1,32 +0,0 @@
-Author: Pierre Schmitz <pierre@archlinux.de>
-
-* pacman-key: Use lsign_keys function in --populate
-* pacman-key: reduce verbosity of --populate
-
---- pacman-key	2012-07-10 18:45:32.000000000 -0300
-+++ pacman-key	2012-07-18 16:38:18.264110004 -0300
-@@ -376,7 +376,7 @@
- 	# Add keys from requested keyrings
- 	for keyring in "${KEYRINGIDS[@]}"; do
- 		msg "$(gettext "Appending keys from %s.gpg...")" "$keyring"
--		"${GPG_PACMAN[@]}" --import "${KEYRING_IMPORT_DIR}/${keyring}.gpg"
-+		"${GPG_PACMAN[@]}" --quiet --import "${KEYRING_IMPORT_DIR}/${keyring}.gpg"
- 	done
- 
- 	# Read the trusted key IDs to an array. Because this is an ownertrust
-@@ -403,12 +403,13 @@
- 		msg "$(gettext "Locally signing trusted keys in keyring...")"
- 		for key_id in "${!trusted_ids[@]}"; do
- 			msg2 "$(gettext "Locally signing key %s...")" "${key_id}"
--			"${GPG_PACMAN[@]}" --quiet --lsign-key "${key_id}"
-+			KEYIDS=("${key_id}")
-+			lsign_keys
- 		done
- 		msg "$(gettext "Importing owner trust values...")"
- 		for keyring in "${KEYRINGIDS[@]}"; do
- 			if [[ -f "${KEYRING_IMPORT_DIR}/${keyring}-trusted" ]]; then
--				"${GPG_PACMAN[@]}" --import-ownertrust "${KEYRING_IMPORT_DIR}/${keyring}-trusted"
-+				"${GPG_PACMAN[@]}" --import-ownertrust "${KEYRING_IMPORT_DIR}/${keyring}-trusted" 2>/dev/null
- 			fi
- 		done
- 	fi

pacman.conf

@@ -15,11 +15,10 @@
 #LogFile     = /var/log/pacman.log
 #GPGDir      = /etc/pacman.d/gnupg/
 HoldPkg     = pacman glibc
-# If upgrades are available for these packages they will be asked for first
-SyncFirst   = pacman
 #XferCommand = /usr/bin/curl -C - -f %u > %o
 #XferCommand = /usr/bin/wget --passive-ftp -c -O %o %u
 #CleanMethod = KeepInstalled
+#UseDelta    = 0.7
 Architecture = auto
 
 # Pacman won't upgrade packages listed in IgnorePkg and members of IgnoreGroup
@@ -31,7 +30,7 @@ Architecture = auto
 
 # Misc options
 #UseSyslog
-#UseDelta
+#Color
 #TotalDownload
 # We cannot check disk space from within a chroot environment
 #CheckSpace
@@ -39,7 +38,9 @@ Architecture = auto
 
 # By default, pacman accepts packages signed by keys that its local keyring
 # trusts (see pacman-key and its man page), as well as unsigned packages.
-#SigLevel = Optional TrustedOnly
+SigLevel    = Required DatabaseOptional
+LocalFileSigLevel = Optional
+#RemoteFileSigLevel = Required
 
 # NOTE: You must run `pacman-key --init` before first using pacman; the local
 # keyring can then be populated with the keys of all official Arch Linux
@@ -69,23 +70,18 @@ Architecture = auto
 # after the header, and they will be used before the default mirrors.
 
 #[testing]
-#SigLevel = PackageRequired
 #Include = /etc/pacman.d/mirrorlist
 
 [core]
-SigLevel = PackageRequired
 Include = /etc/pacman.d/mirrorlist
 
 [extra]
-SigLevel = PackageRequired
 Include = /etc/pacman.d/mirrorlist
 
 #[community-testing]
-#SigLevel = PackageRequired
 #Include = /etc/pacman.d/mirrorlist
 
 [community]
-SigLevel = PackageRequired
 Include = /etc/pacman.d/mirrorlist
 
 # An example of a custom package repository.  See the pacman manpage for