Set the polling interval in the right place so that it's not overwritten

eos.sysconfig

@@ -30,10 +30,6 @@ export KRB5RCACHETYPE=none
 # Skip hostname match for SSS authentication in docker setup
 export EOS_SKIP_SSS_HOSTNAME_MATCH=1
 
-# Set the polling interval for deletions to 5 seconds for the rm tests to
-# run faster. This controls how often the FTS request deletions from the MGM.
-export EOS_FST_DELETE_QUERY_INTERVAL=5
-
 # What roles should the xroot daemon run for. For each role you can overwrite
 # the default options using a dedicate sysconfig file
 # e.g. /etc/sysconfig/xrd.<role>. The role based mechanism allows for
@@ -97,7 +93,9 @@ export EOS_CONVERTER_DRIVER=1
 #export EOS_FST_STREAM_TIMEOUT=300
 
 # Specify in seconds how often FSTs should query for new delete operations
-export EOS_FST_DELETE_QUERY_INTERVAL=60
+# Set the polling interval for deletions to 5 seconds for the rm tests to
+# run faster. This controls how often the FTS request deletions from the MGM.
+export EOS_FST_DELETE_QUERY_INTERVAL=5
 
 # Number of threads for transfer operations (Balance, Drain or Transfer actions)
 export EOS_FST_TRANSFER_THREAD_POOL=20