[Sample] Removed the maxheap flag from the configuration samples.

msvs/Samples/MasterSlaveSentinelConf/base.conf

-maxheap 50M
 timeout 0
 tcp-keepalive 0
 loglevel notice

msvs/Samples/MasterSlaveSentinelConf/master.conf

 port 6379
 dbfilename master.rdb
-maxheap 1GB
 include base.conf

msvs/Samples/MasterSlaveSentinelConf/sentinel.1.conf

-# By default the redis heap size is set equal to physical memory. It also allocates 
-# a file equal to the size of the heap. Sentinels do not need much heap to work.
-maxheap 20MB
-
 port 20001
 sentinel monitor mymaster 127.0.0.1 6379 2
 sentinel down-after-milliseconds mymaster 5000

msvs/Samples/MasterSlaveSentinelConf/sentinel.2.conf

-# By default the redis heap size is set equal to physical memory. It also allocates 
-# a file equal to the size of the heap. Sentinels do not need much heap to work.
-maxheap 20MB
-
 port 20002
 sentinel monitor mymaster 127.0.0.1 6379 2
 sentinel down-after-milliseconds mymaster 5000

msvs/Samples/MasterSlaveSentinelConf/sentinel.3.conf

-# By default the redis heap size is set equal to physical memory. It also allocates 
-# a file equal to the size of the heap. Sentinels do not need much heap to work.
-maxheap 20MB
-
 port 20003
 sentinel monitor mymaster 127.0.0.1 6379 2
 sentinel down-after-milliseconds mymaster 5000

msvs/Samples/MasterSlaveSentinelConf/slave.conf

-maxheap 1GB
 slaveof 127.0.0.1 6379
 slave-serve-stale-data yes
 slave-read-only yes