Remove directives that have no effect from bytecode text tests

All bytecode text tests are run with stdlib in the classpath and only
for JVM backend, therefore directives WITH_RUNTIME, TARGET_BACKEND,
IGNORE_BACKEND are not needed

compiler/testData/codegen/bytecodeText/sam/samWrapperForNullableInitialization.kt

@@ -1,4 +1,3 @@
-// WITH_RUNTIME
 // FILE: JFoo.java
 
 import org.jetbrains.annotations.Nullable;
@@ -21,4 +20,4 @@ fun test() {
 // 2 NEW
 // 0 IFNONNULL
 // 1 IFNULL
-// 1 ACONST_NULL
+// 1 ACONST_NULL