Merge branch 'stable-0.4' for revert teleport pathc and fix ci builds

* This reverts commit d32f4b368c.
  cos that old 0.,4 dont have the need structure of getParent()

src/content_sao.cpp

@@ -1370,35 +1370,12 @@ std::string PlayerSAO::getPropertyPacket()
 
 bool PlayerSAO::checkMovementCheat()
 {
-	if (m_is_singleplayer ||
+	if (isAttached() || m_is_singleplayer ||
 			g_settings->getBool("disable_anticheat")) {
 		m_last_good_position = m_base_position;
 		return false;
 	}
 
-	if (UnitSAO *parent = dynamic_cast<UnitSAO *>(getParent())) {
-		v3f attachment_pos;
-		{
-			int parent_id;
-			std::string bone;
-			v3f attachment_rot;
-			getAttachment(&parent_id, &bone, &attachment_pos, &attachment_rot);
-		}
-
-		v3f parent_pos = parent->getBasePosition();
-		f32 diff = m_base_position.getDistanceFromSQ(parent_pos) - attachment_pos.getLengthSQ();
-		const f32 maxdiff = 4.0f * BS; // fair trade-off value for various latencies
-
-		if ( (diff > maxdiff * maxdiff) /*&& m_privs.count("fast") != 0*/) {
-			setBasePosition(parent_pos);
-			actionstream << "Server: " << m_player->getName()
-					<< " moved away from parent; diff=" << sqrtf(diff) / BS
-					<< " resetting position." << std::endl;
-			return true;
-		}
-		// Player movement is locked to the entity. Skip further checks
-		return false;
-	}
 	bool cheated = false;
 	/*
 		Check player movements