Remove link to missing doc in javadoc. Replaced with statement that fast/safe consistency mode is no longer supported.
Remove link to missing doc in javadoc. Replaced with statement
that fast/safe consistency mode is no longer supported.

VoltDB/voltdb,VoltDB/voltdb,VoltDB/voltdb,VoltDB/voltdb,VoltDB/voltdb,VoltDB/voltdb,VoltDB/voltdb