libsecril-client: Remove -lpthread

Change-Id: I7f0a11a460cd3626f51a19482598cccabb13d5de
diff --git a/ril/libsecril-client-sap/Android.mk b/ril/libsecril-client-sap/Android.mk
index d427271..cc04398 100755
--- a/ril/libsecril-client-sap/Android.mk
+++ b/ril/libsecril-client-sap/Android.mk
@@ -17,6 +17,5 @@
 
 LOCAL_MODULE:= libsecril-client-sap
 LOCAL_PRELINK_MODULE := false
-LOCAL_LDLIBS += -lpthread
 
 include $(BUILD_SHARED_LIBRARY)
diff --git a/ril/libsecril-client/Android.mk b/ril/libsecril-client/Android.mk
index c9ec41f..8518abd 100755
--- a/ril/libsecril-client/Android.mk
+++ b/ril/libsecril-client/Android.mk
@@ -17,6 +17,5 @@
 
 LOCAL_MODULE:= libsecril-client
 LOCAL_PRELINK_MODULE := false
-LOCAL_LDLIBS += -lpthread
 
 include $(BUILD_SHARED_LIBRARY)