Style: clang-format: Disable KeepEmptyLinesAtTheStartOfBlocks

Which means that reduz' beloved style which we all became used to
will now be changed automatically to remove the first empty line.

This makes us lean closer to 1TBS (the one true brace style) instead
of hybridating it with some Allman-inspired spacing.

There's still the case of braces around single-statement blocks that
needs to be addressed (but clang-format can't help with that, but
clang-tidy may if we agree about it).

Part of #33027.

modules/gdnative/pluginscript/pluginscript_script.cpp

@@ -56,7 +56,6 @@ void PluginScript::_bind_methods() {
 }
 
 PluginScriptInstance *PluginScript::_create_instance(const Variant **p_args, int p_argcount, Object *p_owner, Callable::CallError &r_error) {
-
 	r_error.error = Callable::CallError::CALL_OK;
 
 	// Create instance
@@ -84,7 +83,6 @@ PluginScriptInstance *PluginScript::_create_instance(const Variant **p_args, int
 }
 
 Variant PluginScript::_new(const Variant **p_args, int p_argcount, Callable::CallError &r_error) {
-
 	r_error.error = Callable::CallError::CALL_OK;
 
 	if (!_valid) {
@@ -167,7 +165,6 @@ void PluginScript::update_exports() {
 #ifdef TOOLS_ENABLED
 	ASSERT_SCRIPT_VALID();
 	if (placeholders.size()) {
-
 		//update placeholders if any
 		Map<StringName, Variant> propdefvalues;
 		List<PropertyInfo> propinfos;
@@ -281,7 +278,6 @@ Error PluginScript::reload(bool p_keep_state) {
 	// ClassDB name (i.e. `Node2D`) or a resource path (i.e. `res://foo/bar.gd`)
 	StringName *base_name = (StringName *)&manifest.base;
 	if (*base_name) {
-
 		if (ClassDB::class_exists(*base_name)) {
 			_native_parent = *base_name;
 		} else {
@@ -434,7 +430,6 @@ ScriptLanguage *PluginScript::get_language() const {
 }
 
 Error PluginScript::load_source_code(const String &p_path) {
-
 	Vector<uint8_t> sourcef;
 	Error err;
 	FileAccess *f = FileAccess::open(p_path, FileAccess::READ, &err);