ueventd: fix typo from previous patchset

An forward declaration for a function that was removed in later
patchsets was merged anyway.  Since it's not used anywhere, this CL
removes it.

Test: build bullhead
Change-Id: Ie7223f7d23305b71438cb063b64a574ce32f96bb
diff --git a/init/ueventd.cpp b/init/ueventd.cpp
index 963cc4d..8c0c574 100644
--- a/init/ueventd.cpp
+++ b/init/ueventd.cpp
@@ -33,9 +33,6 @@
 #include "log.h"
 #include "util.h"
 
-template <bool sysfs>
-static bool ParseSingleLine(std::vector<std::string>&& line, std::string* err);
-
 int ueventd_main(int argc, char **argv)
 {
     /*