Remove unused settings.cpp/settings.hpp

These two files are no longer used now that netipmid is just a bridge
to send commands onto ipmid. This removes them.

Tested: Compile and run netipmid. Because they are unused, behavior is
        unchanged.

Change-Id: I24c9f30822050fc89028945b380fbc471a5c5b88
Signed-off-by: Vernon Mauery <vernon.mauery@linux.intel.com>
diff --git a/Makefile.am b/Makefile.am
index 10dac91..dbbbcd8 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -55,9 +55,7 @@
 	command/payload_cmds.hpp \
 	command/payload_cmds.cpp \
 	sol_module.hpp \
-	sol_module.cpp \
-	settings.hpp \
-	settings.cpp
+	sol_module.cpp
 
 netipmid_CPPFLAGS = -DNET_IPMID_LIB_PATH=\"/usr/lib/net-ipmid/\"