Correct minor mistakes from autotools conversion

Removed unnecessary ipmiwhitelist entry so not to be
mistakenly added to SOURCES.

Change-Id: I971a80dfb9ba942c7e8048d706cd9b59ac224c11
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
diff --git a/Makefile.am b/Makefile.am
index 429d962..4053e1b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -5,7 +5,6 @@
 
 ipmid_SOURCES = \
 	ipmid.cpp
-	ipmiwhitelist.cpp
 nodist_ipmid_SOURCES = ipmiwhitelist.cpp
 BUILT_SOURCES = ipmiwhitelist.cpp
 CLEANFILES = ipmiwhitelist.cpp