Tests: remove LVT tests on old JVM backend

compiler/testData/debug/localVariables/suspend/completion/staticSimple.kt

@@ -1,10 +1,10 @@
-// Code generation problem with JVM backend.
-// IGNORE_BACKEND: JVM
+
+
 // FILE: test.kt
 suspend fun box() {}
 
 
-// EXPECTATIONS JVM JVM_IR
+// EXPECTATIONS JVM_IR
 // test.kt:4 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
 
 // EXPECTATIONS JS_IR