Remove `@GDScript.str` (duplicate of `@GlobalScope.str`)

doc/classes/@GlobalScope.xml

@@ -1271,7 +1271,13 @@
 		<method name="str" qualifiers="vararg">
 			<return type="String" />
 			<description>
-				Converts one or more arguments of any [Variant] type to [String] in the best way possible.
+				Converts one or more arguments of any [Variant] type to a [String] in the best way possible.
+				[codeblock]
+				var a = [10, 20, 30]
+				var b = str(a)
+				print(len(a)) # Prints 3 (the number of elements in the array).
+				print(len(b)) # Prints 12 (the length of the string "[10, 20, 30]").
+				[/codeblock]
 			</description>
 		</method>
 		<method name="str_to_var">

modules/gdscript/doc_classes/@GDScript.xml

@@ -227,18 +227,6 @@
 				[/codeblock]
 			</description>
 		</method>
-		<method name="str" qualifiers="vararg">
-			<return type="String" />
-			<description>
-				Converts one or more arguments to a [String] in the best way possible.
-				[codeblock]
-				var a = [10, 20, 30]
-				var b = str(a);
-				len(a) # Returns 3
-				len(b) # Returns 12
-				[/codeblock]
-			</description>
-		</method>
 		<method name="type_exists">
 			<return type="bool" />
 			<param index="0" name="type" type="StringName" />

modules/gdscript/gdscript_utility_functions.cpp

@@ -112,28 +112,6 @@ struct GDScriptUtilityFunctionsDefinitions {
 		*r_ret = String(result);
 	}
 
-	static inline void str(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
-		if (p_arg_count < 1) {
-			r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
-			r_error.argument = 1;
-			r_error.expected = 1;
-			*r_ret = Variant();
-			return;
-		}
-
-		String str;
-		for (int i = 0; i < p_arg_count; i++) {
-			String os = p_args[i]->operator String();
-
-			if (i == 0) {
-				str = os;
-			} else {
-				str += os;
-			}
-		}
-		*r_ret = str;
-	}
-
 	static inline void range(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
 		switch (p_arg_count) {
 			case 0: {
@@ -651,7 +629,6 @@ void GDScriptUtilityFunctions::register_functions() {
 	REGISTER_VARIANT_FUNC(convert, true, VARARG("what"), ARG("type", Variant::INT));
 	REGISTER_FUNC(type_exists, true, Variant::BOOL, ARG("type", Variant::STRING_NAME));
 	REGISTER_FUNC(_char, true, Variant::STRING, ARG("char", Variant::INT));
-	REGISTER_VARARG_FUNC(str, true, Variant::STRING);
 	REGISTER_VARARG_FUNC(range, false, Variant::ARRAY);
 	REGISTER_CLASS_FUNC(load, false, "Resource", ARG("path", Variant::STRING));
 	REGISTER_FUNC(inst_to_dict, false, Variant::DICTIONARY, ARG("instance", Variant::OBJECT));