More zfs(8) manpage fixes:

- remove shareiscsi property
- mark casesensitivity property as unsupported
- remove reference to Solaris Administration Guide

MFC after:	1 week

cddl/contrib/opensolaris/cmd/zfs/zfs.8

@@ -1148,16 +1148,6 @@ Controls whether the set-\fBUID\fR bit is respected for the file system. The
 default value is \fBon\fR.
 .RE
 
-.sp
-.ne 2
-.na
-\fB\fBshareiscsi\fR=\fBon\fR | \fBoff\fR\fR
-.ad
-.sp .6
-.RS 4n
-The \fB\fBshareiscsi\fR property has currently no effect on FreeBSD.
-.RE
-
 .sp
 .ne 2
 .na
@@ -1296,18 +1286,7 @@ these properties.
 .ad
 .sp .6
 .RS 4n
-Indicates whether the file name matching algorithm used by the file system
-should be case-sensitive, case-insensitive, or allow a combination of both
-styles of matching. The default value for the \fBcasesensitivity\fR property is
-\fBsensitive\fR. Traditionally, UNIX and POSIX file systems have case-sensitive
-file names.
-.sp
-The \fBmixed\fR value for the \fBcasesensitivity\fR property indicates that the
-file system can support requests for both case-sensitive and case-insensitive
-matching behavior. Currently, case-insensitive matching behavior on a file
-system that supports mixed behavior is limited to the Solaris CIFS server
-product. For more information about the \fBmixed\fR value behavior, see the
-\fISolaris ZFS Administration Guide\fR.
+The \fB\fBcasesensitivity\fR property is currently not supported on FreeBSD.
 .RE
 
 .sp
@@ -2818,7 +2797,6 @@ refreservation   property
 reservation      property
 secondarycache   property
 setuid           property
-shareiscsi       property
 sharenfs         property
 sharesmb         property
 snapdir          property
@@ -3159,7 +3137,6 @@ pool/home/bob  snapdir               hidden                 default
 pool/home/bob  aclmode               discard                default
 pool/home/bob  aclinherit            restricted             default
 pool/home/bob  canmount              on                     default
-pool/home/bob  shareiscsi            off                    default
 pool/home/bob  xattr                 on                     default
 pool/home/bob  copies                1                      default
 pool/home/bob  version               4                      -
@@ -3555,7 +3532,3 @@ Invalid command line options were specified.
 .sp
 .LP
 chmod(2), fsync(2), exports(5), fstab(5), jail(8), mount(8), zpool(8)
-.sp
-.LP
-For information about using the \fBZFS\fR web-based management tool and other
-\fBZFS\fR features, see the \fISolaris ZFS Administration Guide\fR.