Omit cfn-init-cmd.log and cfn-wire.log from CW Logs integration

In an effort to reduce the cost of enabling the CloudWatch Logs
integration, two of the cfn-* logs are being removed from the config
file used to ultimately instruct the CloudWatch agent which files to
log data for on a cluster's instances.

Author: Tim Lane

files/default/cloudwatch_logs/cloudwatch_log_files.json

@@ -48,27 +48,6 @@
       ],
       "feature_conditions": []
     },
-    {
-      "timestamp_format_key": "default",
-      "file_path": "/var/log/cfn-init-cmd.log",
-      "log_stream_name": "cfn-init-cmd",
-      "schedulers": [
-        "awsbatch",
-        "sge",
-        "slurm",
-        "torque"
-      ],
-      "platforms": [
-        "amazon",
-        "centos",
-        "ubuntu"
-      ],
-      "node_roles": [
-        "ComputeFleet",
-        "MasterServer"
-      ],
-      "feature_conditions": []
-    },
     {
       "timestamp_format_key": "default",
       "file_path": "/var/log/cfn-init.log",
@@ -90,27 +69,6 @@
       ],
       "feature_conditions": []
     },
-    {
-      "timestamp_format_key": "default",
-      "file_path": "/var/log/cfn-wire.log",
-      "log_stream_name": "cfn-wire",
-      "schedulers": [
-        "awsbatch",
-        "sge",
-        "slurm",
-        "torque"
-      ],
-      "platforms": [
-        "amazon",
-        "centos",
-        "ubuntu"
-      ],
-      "node_roles": [
-        "ComputeFleet",
-        "MasterServer"
-      ],
-      "feature_conditions": []
-    },
     {
       "timestamp_format_key": "month_first",
       "file_path": "/var/log/cloud-init.log",