mark epson unsupported, remove ricoh and fujitsu from unsupported list

doc/descriptions/epson.desc

@@ -10,7 +10,8 @@
 ;
 
 :backend "epson"                  ; name of backend
-:version "0.2.42"                 ; version of backend
+;:version "0.2.42"                ; version of backend
+:version "unmaintained"           ; version of backend
 :new :no
 :manpage "sane-epson"             ; name of manpage (if it exists)
 :url "http://www.khk.net/sane"    ; backend's web page

doc/descriptions/unsupported.desc

@@ -735,13 +735,6 @@
 :status :unsupported
 :comment "Uses ma1509 chip, but very different from other scanners supported by the ma1509 backend"
 
-:model "fi-60F"
-:url "/unsupported/fujitsu-fi-60f.html"
-:interface "USB"
-:usbid "0x04c5" "0x10c7"
-:status :unsupported
-:comment "Unsupported. See link for details."
-
 ;********************************************************************************************
 
 :mfg "Genius"
@@ -2340,16 +2333,6 @@
 
 ;********************************************************************************************
 
-:mfg "Ricoh"
-
-:model "IS450DE"
-:url "/unsupported/ricoh-is450.html"
-:interface "SCSI"
-:status :unsupported
-:comment "Not supported. See link for details."
-
-;********************************************************************************************
-
 :mfg "Samsung"
 
 :model "SCX-4725FN"