Revert "Add core-lambda-stubs to classpath"

This reverts commit d9d7be0617.

Reason for revert: Broke unbundled builds.

Bug: 80428539
Change-Id: I2279dbd2b11a2f63e70ad89d0b3bc42bca2b676b

java/config/config.go

@@ -30,7 +30,6 @@ var (
 	DefaultBootclasspathLibraries = []string{"core-oj", "core-libart"}
 	DefaultSystemModules          = "core-system-modules"
 	DefaultLibraries              = []string{"ext", "framework", "okhttp"}
-	DefaultLambdaStubsLibraries   = []string{"core-lambda-stubs"}
 
 	DefaultJacocoExcludeFilter = []string{"org.junit.*", "org.jacoco.*", "org.mockito.*"}