doc: remove "new" markers from lide70 and "template" backends.

doc/descriptions/canon_lide70.desc

@@ -10,7 +10,7 @@
 ;
 
 :backend "canon_lide70"          ; name of backend
-:new :yes
+:new :no
 :url "http://www.juergen-ernst.de/info_sane.html"
 :version "0"                     ; version of backend
 :manpage "sane-canon_lide70"     ; name of manpage (if it exists)

doc/descriptions/template.desc

@@ -12,7 +12,7 @@
 
 :backend "template"               ; name of backend
 :version "0.42"                   ; version of backend (or "unmaintained")
-:new :yes                         ; Is the backend new to this SANE release?
+:new :no                          ; Is the backend new to this SANE release?
                                   ; :yes or :no
 :manpage "sane-template"          ; name of manpage (if it exists)
 :url "http://www.luser.com/temp/" ; backend's web page