3DS: Use malloc instead of linearAlloc for most things

src/platform/3ds/3ds-memory.c

@@ -10,10 +10,10 @@
 #include <3ds.h>
 
 void* anonymousMemoryMap(size_t size) {
-	return linearAlloc(size);
+	return malloc(size);
 }
 
 void mappedMemoryFree(void* memory, size_t size) {
 	UNUSED(size);
-	linearFree(memory);
+	free(memory);
 }

src/platform/3ds/main.c

@@ -65,7 +65,7 @@ static void _setup(struct GBAGUIRunner* runner) {
 	}
 
 	GBAVideoSoftwareRendererCreate(&renderer);
-	renderer.outputBuffer = anonymousMemoryMap(256 * VIDEO_VERTICAL_PIXELS * 2);
+	renderer.outputBuffer = linearAlloc(256 * VIDEO_VERTICAL_PIXELS * 2);
 	renderer.outputBufferStride = 256;
 	runner->context.renderer = &renderer.d;
 
@@ -259,7 +259,7 @@ int main() {
 	GBAGUIDeinit(&runner);
 
 cleanup:
-	mappedMemoryFree(renderer.outputBuffer, 0);
+	linearFree(renderer.outputBuffer);
 
 	if (logFile) {
 		logFile->close(logFile);