Introduce BoundedValue as a generalization of (low..high) range

Provide BoundedValue-based implementation of InExpressionGenerator,
test it on range of comparable values.
Drop unneeded test (range of comparables is already tested by
ranges/contains/inComparableRanges.kt).

js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java

@@ -14935,12 +14935,6 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
                 doTest(fileName);
             }
 
-            @TestMetadata("inRangeOfComparable.kt")
-            public void testInRangeOfComparable() throws Exception {
-                String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/ranges/contains/inRangeOfComparable.kt");
-                doTest(fileName);
-            }
-
             @TestMetadata("inRangeWithCustomContains.kt")
             public void testInRangeWithCustomContains() throws Exception {
                 String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/ranges/contains/inRangeWithCustomContains.kt");