remove unused enable/disableNetworkIPMI functions

enableNetworkIPMI and disableNetworkIPMI were legacy functions from
before implementing separate netipmid instances for each network
interface.

Change-Id: Ife54412e9dcb86f96309db2cda071de70405b29d
Signed-off-by: Vernon Mauery <vernon.mauery@linux.intel.com>
diff --git a/app/channel.cpp b/app/channel.cpp
index 51e953d..7d51bfe 100644
--- a/app/channel.cpp
+++ b/app/channel.cpp
@@ -177,68 +177,3 @@
 
     return ipmi::responseSuccess(rspChannel, rspRecords);
 }
-
-template <typename... ArgTypes>
-static int executeCmd(const char* path, ArgTypes&&... tArgs)
-{
-    boost::process::child execProg(path, const_cast<char*>(tArgs)...);
-    execProg.wait();
-    return execProg.exit_code();
-}
-
-/** @brief Enable the network IPMI service on the specified ethernet interface.
- *
- *  @param[in] intf - ethernet interface on which to enable IPMI
- */
-void enableNetworkIPMI(const std::string& intf)
-{
-    // Check if there is a iptable filter to drop IPMI packets for the
-    // interface.
-    auto retCode =
-        executeCmd("/usr/sbin/iptables", "-C", "INPUT", "-p", "udp", "-i",
-                   intf.c_str(), "--dport", "623", "-j", "DROP");
-
-    // If the iptable filter exists, delete the filter.
-    if (!retCode)
-    {
-        auto response =
-            executeCmd("/usr/sbin/iptables", "-D", "INPUT", "-p", "udp", "-i",
-                       intf.c_str(), "--dport", "623", "-j", "DROP");
-
-        if (response)
-        {
-            log<level::ERR>("Dropping the iptables filter failed",
-                            entry("INTF=%s", intf.c_str()),
-                            entry("RETURN_CODE:%d", response));
-        }
-    }
-}
-
-/** @brief Disable the network IPMI service on the specified ethernet interface.
- *
- *  @param[in] intf - ethernet interface on which to disable IPMI
- */
-void disableNetworkIPMI(const std::string& intf)
-{
-    // Check if there is a iptable filter to drop IPMI packets for the
-    // interface.
-    auto retCode =
-        executeCmd("/usr/sbin/iptables", "-C", "INPUT", "-p", "udp", "-i",
-                   intf.c_str(), "--dport", "623", "-j", "DROP");
-
-    // If the iptable filter does not exist, add filter to drop network IPMI
-    // packets
-    if (retCode)
-    {
-        auto response =
-            executeCmd("/usr/sbin/iptables", "-I", "INPUT", "-p", "udp", "-i",
-                       intf.c_str(), "--dport", "623", "-j", "DROP");
-
-        if (response)
-        {
-            log<level::ERR>("Inserting iptables filter failed",
-                            entry("INTF=%s", intf.c_str()),
-                            entry("RETURN_CODE:%d", response));
-        }
-    }
-}