Remove erroneous suspend delegate tests (not supported in 1.3)

idea/testData/inspectionsLocal/redundantSuspend/getterDelegate.kt

@@ -1,13 +0,0 @@
-// PROBLEM: none
-// WITH_RUNTIME
-
-import kotlin.reflect.KProperty
-
-<caret>suspend fun bar(): String {
-    val x: String by Delegate()
-    return x
-}
-
-class Delegate {
-    suspend operator fun getValue(thisRef: Any?, property: KProperty<*>): String = ""
-}

idea/testData/inspectionsLocal/redundantSuspend/setterDelegate.kt

@@ -1,16 +0,0 @@
-// PROBLEM: none
-// WITH_RUNTIME
-
-import kotlin.reflect.KProperty
-
-<caret>suspend fun bar(): String {
-    var x: String by Delegate()
-    x = "Hello"
-    return x
-}
-
-class Delegate {
-    operator fun getValue(thisRef: Any?, property: KProperty<*>): String = ""
-
-    suspend operator fun setValue(thisRef: Any?, property: KProperty<*>, value: String) {}
-}