Remove package types and merge with package reflect

core/encoding/json/marshal.odin

@@ -5,7 +5,7 @@ import "core:math/bits"
 import "core:runtime"
 import "core:strconv"
 import "core:strings"
-import "core:types"
+import "core:reflect"
 
 Marshal_Error :: enum {
 	None,
@@ -194,7 +194,7 @@ marshal_arg :: proc(b: ^strings.Builder, v: any) -> Marshal_Error {
 				data := uintptr(entries.data) + uintptr(i*entry_size);
 				header := cast(^Map_Entry_Header)data;
 
-				if types.is_string(info.key) {
+				if reflect.is_string(info.key) {
 					marshal_arg(b, header.key.str);
 				} else {
 					marshal_arg(b, any{rawptr(&header.key.hash), info.key.id});