Revert "Make embedded_launcher true by default"

This reverts commit 8a038ed871230ba6280642b5c0e83a37d076aa79.

Reason for revert: investigate breaking test suits Avatar and BumbleBluetoothTests

Change-Id: I8e4498fb5854bf62df6d161ac0c6cce49d471afe
diff --git a/python/binary.go b/python/binary.go
index c84eeee..d6750c6 100644
--- a/python/binary.go
+++ b/python/binary.go
@@ -203,7 +203,7 @@
 }
 
 func (p *PythonBinaryModule) isEmbeddedLauncherEnabled() bool {
-	return BoolDefault(p.properties.Embedded_launcher, true)
+	return Bool(p.properties.Embedded_launcher)
 }
 
 func (b *PythonBinaryModule) autorun() bool {