libfan: Remove

Since the removal of the custom timer implementation our libfan has
nothing but a single header file. Since we have no object code left we
do not need a library to contain this code since the header is directly
included where needed.

Tested:
    Built and run through unit tests.

Change-Id: I139b83ab979ead88cfd4c180ba8847a29c6407e2
Signed-off-by: William A. Kennington III <wak@google.com>

Makefile.am

@@ -1,19 +1,5 @@
 AM_DEFAULT_SOURCE_EXT = .cpp
 
-noinst_LTLIBRARIES = libfan.la
-libfan_la_LDFLAGS = -static
-libfan_la_LIBADD = \
-	$(PHOSPHOR_DBUS_INTERFACES_LIBS) \
-	$(PHOSPHOR_LOGGING_LIBS) \
-	$(SDBUSPLUS_LIBS)
-libfan_la_CXXFLAGS = \
-	$(PHOSPHOR_DBUS_INTERFACES_CFLAGS) \
-	$(PHOSPHOR_LOGGING_CFLAGS) \
-	$(SDBUSPLUS_CFLAGS) \
-	-flto
-libfan_la_SOURCES = \
-	utility.cpp
-
 SUBDIRS = . sdevent/test evdevpp/test
 
 if WANT_PRESENCE

control/Makefile.am

@@ -16,7 +16,6 @@ nodist_phosphor_fan_control_SOURCES = \
 	fan_zone_defs.cpp
 
 phosphor_fan_control_LDADD = \
-	$(top_builddir)/libfan.la \
 	$(SDBUSPLUS_LIBS) \
 	$(SDEVENTPLUS_LIBS) \
 	$(PHOSPHOR_LOGGING_LIBS) \

cooling-type/Makefile.am

@@ -17,7 +17,6 @@ phosphor_cooling_type_CXXFLAGS = \
 	-flto
 
 phosphor_cooling_type_LDADD = \
-	${top_builddir}/libfan.la \
 	$(SDBUSPLUS_LIBS) \
 	$(PHOSPHOR_LOGGING_LIBS) \
 	$(LIBEVDEV_LIBS) \

monitor/Makefile.am

@@ -17,7 +17,6 @@ nodist_phosphor_fan_monitor_SOURCES = \
 BUILT_SOURCES = fan_monitor_defs.cpp
 
 phosphor_fan_monitor_LDADD = \
-	$(top_builddir)/libfan.la \
 	$(SDBUSPLUS_LIBS) \
 	$(SDEVENTPLUS_LIBS) \
 	$(PHOSPHOR_LOGGING_LIBS) \

presence/Makefile.am

@@ -14,7 +14,6 @@ phosphor_fan_presence_tach_SOURCES = \
 	tach_detect.cpp
 
 phosphor_fan_presence_tach_LDADD = \
-	$(top_builddir)/libfan.la \
 	$(SDBUSPLUS_LIBS) \
 	$(SDEVENTPLUS_LIBS) \
 	$(PHOSPHOR_LOGGING_LIBS) \