Log: remove unused Format functions

src/Log.cxx

@@ -67,24 +67,6 @@ FormatDebug(const Domain &domain, const char *fmt, ...) noexcept
 }
 
 void
-FormatInfo(const Domain &domain, const char *fmt, ...) noexcept
-{
-	std::va_list ap;
-	va_start(ap, fmt);
-	LogFormatV(LogLevel::INFO, domain, fmt, ap);
-	va_end(ap);
-}
-
-void
-FormatNotice(const Domain &domain, const char *fmt, ...) noexcept
-{
-	std::va_list ap;
-	va_start(ap, fmt);
-	LogFormatV(LogLevel::NOTICE, domain, fmt, ap);
-	va_end(ap);
-}
-
-void
 FormatWarning(const Domain &domain, const char *fmt, ...) noexcept
 {
 	std::va_list ap;
@@ -94,15 +76,6 @@ FormatWarning(const Domain &domain, const char *fmt, ...) noexcept
 }
 
 void
-FormatError(const Domain &domain, const char *fmt, ...) noexcept
-{
-	std::va_list ap;
-	va_start(ap, fmt);
-	LogFormatV(LogLevel::ERROR, domain, fmt, ap);
-	va_end(ap);
-}
-
-void
 Log(LogLevel level, const std::exception &e) noexcept
 {
 	Log(level, exception_domain, GetFullMessage(e).c_str());

src/Log.hxx

@@ -141,20 +141,12 @@ LogInfo(const Domain &domain, const char *msg) noexcept
 	Log(LogLevel::INFO, domain, msg);
 }
 
-gcc_printf(2,3)
-void
-FormatInfo(const Domain &domain, const char *fmt, ...) noexcept;
-
 static inline void
 LogNotice(const Domain &domain, const char *msg) noexcept
 {
 	Log(LogLevel::NOTICE, domain, msg);
 }
 
-gcc_printf(2,3)
-void
-FormatNotice(const Domain &domain, const char *fmt, ...) noexcept;
-
 static inline void
 LogWarning(const Domain &domain, const char *msg) noexcept
 {
@@ -210,10 +202,6 @@ FormatError(const std::exception_ptr &ep,
 	LogFormat(LogLevel::ERROR, ep, fmt, std::forward<Args>(args)...);
 }
 
-gcc_printf(2,3)
-void
-FormatError(const Domain &domain, const char *fmt, ...) noexcept;
-
 void
 LogErrno(const Domain &domain, int e, const char *msg) noexcept;