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/boxingOptimization/maxMinBy.kt

@@ -1,9 +1,10 @@
-// WITH_RUNTIME
 // FILE: list.kt
+
 val intList = listOf(1, 2, 3)
 val longList = listOf(1L, 2L, 3L)
 
 // FILE: box.kt
+
 fun box(): String {
     val intListMin = intList.minBy { it } ?: -1
     if (intListMin != 1) return "Fail intListMin=$intListMin"