Revert "add bp2build unit tests for aidl_interface"

This reverts commit 1fa2672be9d9feeab83125b75f82bd994a0972ba.

Reason for revert: breaks tradefed branch

Change-Id: I69bba531774031890baece1796df24d5534b93a9
diff --git a/go.mod b/go.mod
index 2e28ab6..8c1a9f0 100644
--- a/go.mod
+++ b/go.mod
@@ -1,17 +1,13 @@
 module android/soong
 
-require (
-	google.golang.org/protobuf v0.0.0
-	github.com/google/blueprint v0.0.0
-	android/soong/aidl v0.0.0
-)
+require google.golang.org/protobuf v0.0.0
+
+require github.com/google/blueprint v0.0.0
 
 replace google.golang.org/protobuf v0.0.0 => ../../external/golang-protobuf
 
 replace github.com/google/blueprint v0.0.0 => ../blueprint
 
-replace android/soong/aidl v0.0.0 => ../../system/tools/aidl/build
-
 // Indirect deps from golang-protobuf
 exclude github.com/golang/protobuf v1.5.0