Remove libc_static_common_src_files

libc_static_common_src_files is never set after
c3f114037dbf028896310609fd28cf2b3da99c4d, remove the remaining
references to it.

Change-Id: I66364a5c1b031ad69d608f6f44244049192944f6
diff --git a/libc/Android.mk b/libc/Android.mk
index 503ae6f..c6a5066 100644
--- a/libc/Android.mk
+++ b/libc/Android.mk
@@ -1050,7 +1050,6 @@
 
 LOCAL_SRC_FILES := \
     $(libc_arch_static_src_files) \
-    $(libc_static_common_src_files) \
     bionic/libc_init_static.cpp
 
 LOCAL_C_INCLUDES := $(libc_common_c_includes)
@@ -1102,7 +1101,6 @@
 
 LOCAL_SRC_FILES := \
     $(libc_arch_static_src_files) \
-    $(libc_static_common_src_files) \
     bionic/malloc_debug_common.cpp \
     bionic/libc_init_static.cpp \
 
@@ -1137,7 +1135,6 @@
 LOCAL_C_INCLUDES := $(libc_common_c_includes)
 LOCAL_SRC_FILES := \
     $(libc_arch_dynamic_src_files) \
-    $(libc_static_common_src_files) \
     bionic/malloc_debug_common.cpp \
     bionic/libc_init_dynamic.cpp \
     bionic/NetdClient.cpp \
@@ -1173,7 +1170,6 @@
 
 $(eval $(call patch-up-arch-specific-flags,LOCAL_CFLAGS,libc_common_cflags))
 $(eval $(call patch-up-arch-specific-flags,LOCAL_SRC_FILES,libc_arch_dynamic_src_files))
-$(eval $(call patch-up-arch-specific-flags,LOCAL_SRC_FILES,libc_static_common_src_files))
 # special for arm
 LOCAL_NO_CRT_arm := true
 LOCAL_CFLAGS_arm += -DCRT_LEGACY_WORKAROUND