Remove mono config file support. (#48007)

* Remove mono config file support.

* Remove unused mono_runtime_unhandled_exception_policy_set ().

* Fix the build.

Author: vargaz

src/mono/CMakeLists.txt

@@ -79,8 +79,6 @@ set(DISABLE_MDB 1)
 set(DISABLE_COM 1)
 set(DISABLE_PERFCOUNTERS 1)
 set(DISABLE_ATTACH 1)
-set(DISABLE_CONFIG 1)
-set(DISABLE_CFGDIR_CONFIG 1)
 set(DISABLE_VERIFIER 1)
 
 # Dependencies between options

src/mono/mono/metadata/domain.c

@@ -836,7 +836,6 @@ mono_cleanup (void)
 
 	mono_defaults.corlib = NULL;
 
-	mono_config_cleanup ();
 	mono_loader_cleanup ();
 	mono_classes_cleanup ();
 	mono_assemblies_cleanup ();
@@ -1487,23 +1486,15 @@ app_config_parse (const char *exe_filename)
 	GMarkupParseContext *context;
 	char *text;
 	gsize len;
-	const char *bundled_config;
 	char *config_filename;
 
-	bundled_config = mono_config_string_for_assembly_file (exe_filename);
+	config_filename = g_strconcat (exe_filename, ".config", (const char*)NULL);
 
-	if (bundled_config) {
-		text = g_strdup (bundled_config);
-		len = strlen (text);
-	} else {
-		config_filename = g_strconcat (exe_filename, ".config", (const char*)NULL);
-
-		if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
-			g_free (config_filename);
-			return NULL;
-		}
+	if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
 		g_free (config_filename);
+		return NULL;
 	}
+	g_free (config_filename);
 
 	app_config = g_new0 (AppConfigInfo, 1);
 

src/mono/mono/metadata/external-only.c

@@ -276,7 +276,6 @@ mono_g_hash_table_new_type (GHashFunc hash_func, GEqualFunc key_equal_func, Mono
 void 
 mono_config_for_assembly (MonoImage *assembly)
 {
-	MONO_EXTERNAL_ONLY_GC_UNSAFE_VOID (mono_config_for_assembly_internal (assembly));
 }
 
 /**

src/mono/mono/metadata/metadata-internals.h

@@ -1089,8 +1089,6 @@ void mono_assembly_close_finish (MonoAssembly *assembly);
 gboolean mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2);
 
 void mono_config_parse_publisher_policy (const char *filename, MonoAssemblyBindingInfo *binding_info);
-void mono_config_parse_assembly_bindings (const char *filename, int major, int minor, void *user_data,
-					  void (*infocb)(MonoAssemblyBindingInfo *info, void *user_data));
 
 gboolean
 mono_assembly_name_parse_full 		     (const char	   *name,