Remove unused android::base::Join explicit instantiations
These three instantiations do not appear to be used anywhere. Remove
them.
Change-Id: I34f0ee8a3de59897319bea442bf1930e0f3a23c9
diff --git a/include/android-base/strings.h b/include/android-base/strings.h
index fa844c7..db13045 100644
--- a/include/android-base/strings.h
+++ b/include/android-base/strings.h
@@ -164,11 +164,8 @@
extern template std::string Join(std::vector<std::string>&, char);
extern template std::string Join(std::vector<std::string>&, const char*);
extern template std::string Join(std::vector<std::string>&&, const char*);
-extern template std::string Join(const std::vector<const char*>&, char);
-extern template std::string Join(const std::vector<const char*>&, const std::string&);
extern template std::string Join(const std::vector<std::string>&, char);
extern template std::string Join(const std::vector<std::string>&, const char*);
-extern template std::string Join(const std::vector<std::string>&, const std::string&);
extern template std::string Join(const std::vector<std::string>&&, const char*);
extern template std::string Join(std::set<std::string>&, const char*);
extern template std::string Join(const std::set<std::string>&, char);
diff --git a/strings.cpp b/strings.cpp
index cde842b..68c93e6 100644
--- a/strings.cpp
+++ b/strings.cpp
@@ -87,11 +87,8 @@
template std::string Join(std::vector<std::string>&, char);
template std::string Join(std::vector<std::string>&, const char*);
template std::string Join(std::vector<std::string>&&, const char*);
-template std::string Join(const std::vector<const char*>&, char);
-template std::string Join(const std::vector<const char*>&, const std::string&);
template std::string Join(const std::vector<std::string>&, char);
template std::string Join(const std::vector<std::string>&, const char*);
-template std::string Join(const std::vector<std::string>&, const std::string&);
template std::string Join(const std::vector<std::string>&&, const char*);
template std::string Join(std::set<std::string>&, const char*);
template std::string Join(const std::set<std::string>&, char);