Tests: remove LVT tests on old JVM backend

compiler/testData/debug/localVariables/tryFinally6_1.kt

@@ -1,5 +1,5 @@
 // IGNORE_INLINER: IR
-// IGNORE_BACKEND: JVM
+
 // WITH_STDLIB
 // FILE: test.kt
 
@@ -43,7 +43,7 @@ fun box() {
     val localX = x
 }
 
-// EXPECTATIONS JVM JVM_IR
+// EXPECTATIONS JVM_IR
 // test.kt:42 box:
 // test.kt:27 compute:
 // test.kt:28 compute: