config/Global: remove unused function config_get_param()

src/config/Global.cxx

@@ -20,7 +20,6 @@
 #include "config.h"
 #include "Global.hxx"
 #include "Data.hxx"
-#include "Param.hxx"
 #include "Block.hxx"
 #include "File.hxx"
 #include "Path.hxx"
@@ -76,12 +75,6 @@ void config_global_check(void)
 			Check(*p);
 }
 
-const ConfigParam *
-config_get_param(ConfigOption option) noexcept
-{
-	return config_data.GetParam(option);
-}
-
 const char *
 config_get_string(ConfigOption option, const char *default_value) noexcept
 {

src/config/Global.hxx

@@ -25,8 +25,6 @@
 
 class Path;
 struct ConfigData;
-struct ConfigParam;
-struct ConfigBlock;
 
 void
 config_global_init();
@@ -48,10 +46,6 @@ config_global_check();
 void
 ReadConfigFile(Path path);
 
-gcc_pure
-const ConfigParam *
-config_get_param(enum ConfigOption option) noexcept;
-
 const char *
 config_get_string(enum ConfigOption option,
 		  const char *default_value=nullptr) noexcept;