remove upgrade from the sparc and sysylinux config templates

share/config_files/sparc/boot.msg

@@ -1,9 +1,9 @@
 
                    Welcome to @PRODUCT@ @VERSION@!
 
- -  To install or upgrade in graphical mode, press the <ENTER> key.
+ -  To install in graphical mode, press the <ENTER> key.
 
- -  To install or upgrade in text mode, type: linux text <ENTER>.
+ -  To install in text mode, type: linux text <ENTER>.
 
  -  To enter rescue mode type: linux rescue <ENTER>.
 

share/config_files/x86/isolinux.cfg

@@ -57,11 +57,11 @@ menu tabmsg Press Tab for full configuration options on menu items.
 menu separator # insert an empty line
 menu separator # insert an empty line
 label linux
-  menu label ^Install/upgrade @PRODUCT@
+  menu label ^Install @PRODUCT@
   kernel vmlinuz
   append initrd=initrd.img @ROOT@ quiet
 label check
-  menu label Test this ^media & install/upgrade @PRODUCT@
+  menu label Test this ^media & install @PRODUCT@
   menu default
   kernel vmlinuz
   append initrd=initrd.img @ROOT@ quiet rd.live.check
@@ -71,7 +71,7 @@ menu begin ^Troubleshooting
   menu title Troubleshooting
 label vesa
   menu indent count 5
-  menu label Install/upgrade @PRODUCT@ in ^basic graphics mode
+  menu label Install @PRODUCT@ in ^basic graphics mode
   text help
 	Try this option out if you're having trouble installing
 	@PRODUCT@.