Refactoring: "simplify assert not null" is now an inspection

idea/testData/inspectionsLocal/simplifyAssertNotNull/falseAssert.kt

@@ -0,0 +1,11 @@
+// PROBLEM: none
+// WITH_RUNTIME
+
+class C {
+    fun assert(b: Boolean) { }
+
+    fun foo(p: Array<String?>) {
+        val v = p[0]
+        <caret>assert(v != null)
+    }
+}