blobs/download: remove errant debug line

i added that echo command when working on the function
in question, but it's not needed now.

Signed-off-by: Leah Rowe <leah@libreboot.org>

script/update/blobs/download

@@ -33,7 +33,6 @@ detect_firmware()
 	    CONFIG_VGA_BIOS_FILE CONFIG_INCLUDE_SMSC_SCH5545_EC_FW; do
 		eval "[ -z \"\${${c}}\" ] || return 1"
 	done
-
 	printf "Blobs not needed for: %s\n" "${board}" 1>&2
 }
 
@@ -44,7 +43,6 @@ scan_sources_config()
 	while read -r line ; do
 		set ${line} 1>/dev/null 2>/dev/null
 		eval "${1}=\"${2}\""
-		echo "${1}=\"${2}\""
 	done << EOF
 	$(eval "awk '${awkstr}' config/blobs/sources")
 EOF