Remove bootstrap_go_binary .

blueprint_go_binary is enough.

Test: Presubmits.
Change-Id: Ic95ed8533603dff396740bc1d2a7c60ff2cebf20
diff --git a/cmd/soong_build/Android.bp b/cmd/soong_build/Android.bp
index 9f09224..703a875 100644
--- a/cmd/soong_build/Android.bp
+++ b/cmd/soong_build/Android.bp
@@ -16,7 +16,7 @@
     default_applicable_licenses: ["Android-Apache-2.0"],
 }
 
-bootstrap_go_binary {
+blueprint_go_binary {
     name: "soong_build",
     deps: [
         "blueprint",