[Tests] Drop DCE tests

^KT-44602

js/js.translator/testData/dce/amd.js

@@ -1,19 +0,0 @@
-define(['exports'], function (exports) {
-    function foo() {
-    }
-    function bar() {
-    }
-    function ignore() {
-    }
-
-    bar();
-
-    exports.foo = foo;
-    exports.bar = bar;
-    exports.ignore = ignore;
-});
-
-// REQUEST_REACHABLE: main.foo
-// ASSERT_REACHABLE: main.foo
-// ASSERT_REACHABLE: main.bar
-// ASSERT_UNREACHABLE: main.ignore

js/js.translator/testData/dce/arrayAccess.js

@@ -1,17 +0,0 @@
-(function(_) {
-    var x = {};
-    function foo() {
-        return x["bar"]();
-    }
-    x.bar = function() {
-        return "bar";
-    };
-    x.baz = function() {
-        return "baz";
-    };
-    _.foo = foo;
-})(module.exports);
-
-// REQUEST_REACHABLE: main.foo
-// ASSERT_REACHABLE: x.bar
-// ASSERT_UNREACHABLE: x.baz

js/js.translator/testData/dce/commonjs.js

@@ -1,17 +0,0 @@
-function foo() {
-}
-function bar() {
-}
-function ignore() {
-}
-
-bar();
-
-module.exports.foo = foo;
-module.exports.bar = bar;
-module.exports.ignore = ignore;
-
-// REQUEST_REACHABLE: main.foo
-// ASSERT_REACHABLE: main.bar
-// ASSERT_REACHABLE: main.foo
-// ASSERT_UNREACHABLE: main.ignore

js/js.translator/testData/dce/cycle.js

@@ -1,4 +0,0 @@
-function A() {
-}
-A.prototype = Object.create(A);
-A.prototype.constructor = A;

js/js.translator/testData/dce/localVarAndFunction.js

@@ -1,27 +0,0 @@
-(function(_, Kotlin) {
-    Kotlin.defineInlineFunction("bar", Kotlin.wrapFunction(function() {
-        function baz() {
-            return "bar";
-        }
-        return function() {
-            return baz();
-        };
-    }));
-    return _;
-})(module.exports, require("kotlin"));
-
-(function(_) {
-    function baz() {
-        return "baz";
-    }
-
-    function foo() {
-       return baz();
-    }
-    _.foo = foo;
-})(module.exports);
-
-
-// REQUEST_REACHABLE: main.foo
-// ASSERT_REACHABLE: main.foo
-// ASSERT_REACHABLE: baz

js/js.translator/testData/dce/typeOf.js

@@ -1,15 +0,0 @@
-(function(_) {
-    var x = {};
-    x.y = {};
-    x.y.bar = function() {
-        return "bar";
-    };
-    function foo() {
-        return typeof x.y;
-    }
-    _.foo = foo;
-})(module.exports);
-
-// REQUEST_REACHABLE: main.foo
-// ASSERT_REACHABLE: x.y
-// ASSERT_UNREACHABLE: x.y.bar