Minor, get rid of SAMs in some loadJava tests

compiler/testData/loadJava/compiledJava/sam/adapters/PrivateSamAdapter.java

@@ -0,0 +1,10 @@
+package test;
+
+public class PrivateSamAdapter {
+    private void samAdapter(SamInterface r) {
+    }
+
+    private interface SamInterface {
+        void foo();
+    }
+}

compiler/testData/loadJava/compiledJava/sam/adapters/PrivateSamAdapter.txt

@@ -0,0 +1,14 @@
+package test
+
+public open class PrivateSamAdapter {
+    public constructor PrivateSamAdapter()
+    private final /*synthesized*/ fun samAdapter(/*0*/ p0: (() -> kotlin.Unit)!): kotlin.Unit
+    private open fun samAdapter(/*0*/ p0: test.PrivateSamAdapter.SamInterface!): kotlin.Unit
+
+    private trait SamInterface {
+        public abstract fun foo(): kotlin.Unit
+    }
+
+    // Static members
+    private final /*synthesized*/ fun SamInterface(/*0*/ function: () -> kotlin.Unit): test.PrivateSamAdapter.SamInterface
+}