package/sslh: drop C++ dependency

sslh is written in plain C so drop C++ dependency

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/sslh/Config.in

@@ -1,6 +1,5 @@
 config BR2_PACKAGE_SSLH
 	bool "sslh"
-	depends on BR2_INSTALL_LIBSTDCPP
 	# uses fork()
 	depends on BR2_USE_MMU
 	select BR2_PACKAGE_LIBCONFIG
@@ -8,7 +7,3 @@ config BR2_PACKAGE_SSLH
 	  Applicative protocol multiplexer
 
 	  http://www.rutschle.net/tech/sslh.shtml
-
-comment "sslh needs a toolchain w/ C++"
-	depends on BR2_USE_MMU
-	depends on !BR2_INSTALL_LIBSTDCPP