DEVELOPERS: remove Steve Thomas, e-mail is bouncing

<scjthm@live.com>: host live-com.olc.protection.outlook.com[104.47.5.33] said:
    550 5.5.0 Requested action not taken: mailbox unavailable.
    [HE1EUR02FT033.eop-EUR02.prod.protection.outlook.com] (in reply to RCPT TO
    command)

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

DEVELOPERS

@@ -2181,9 +2181,6 @@ F:	package/tovid/
 F:	package/udftools/
 F:	package/xorriso/
 
-N:	Steve Thomas <scjthm@live.com>
-F:	package/isl/
-
 N:	Steven Noonan <steven@uplinklabs.net>
 F:	package/hwloc/
 F:	package/powertop/