[K/JS] Rework ES modules part with squashed JsImport and right renaming strategy inside import/export statements

js/js.translator/testData/box/esModules/export/reexport.kt

@@ -1,31 +0,0 @@
-// IGNORE_FIR
-// DONT_TARGET_EXACT_BACKEND: JS
-// ES_MODULES
-// EXPECTED_REACHABLE_NODES: 1283
-
-// MODULE: lib1
-// FILE: lib1.kt
-@JsExport
-fun bar() = "O"
-
-// MODULE: lib2(lib1)
-// FILE: lib2.kt
-
-@JsExport
-fun baz() = "K"
-
-// MODULE: main(lib2)
-// FILE: main.kt
-
-@JsExport
-fun result(o: String, k: String) = o + k
-
-// FILE: entry.mjs
-// ENTRY_ES_MODULE
-import { bar, baz, result } from "./reexport_v5.mjs";
-
-export function box() {
-    const o = bar();
-    const k = baz();
-    return result(o, k);
-}