Revert normalizeNonRelativeId changes in config/resolveModuleIds.ts.

This reverts commit 60e18e9 from PR #8396.

config/resolveModuleIds.ts

@@ -83,39 +83,16 @@ class Transformer {
   }
 
   normalizeSourceString(file: string, source?: Node | null) {
-    if (source && n.StringLiteral.check(source)) {
+    if (source && n.StringLiteral.check(source) && this.isRelative(source.value)) {
       try {
-        source.value = this.isRelative(source.value)
-          ? this.normalizeId(source.value, file)
-          : this.normalizeNonRelativeId(source.value, file);
+        source.value = this.normalizeId(source.value, file);
       } catch (error) {
         console.error(`Failed to resolve ${source.value} in ${file} with error ${error}`);
         process.exit(1);
       }
     }
   }
 
-  normalizeNonRelativeId(id: string, file: string) {
-    const normal = this.normalizeId(id, file);
-    const normalParts = normal.split("/");
-    const sourceParts = id.split("/");
-    const nodeModulesIndex = normalParts.lastIndexOf("node_modules");
-    if (
-      nodeModulesIndex >= 0 &&
-      normalParts[nodeModulesIndex + 1] === sourceParts[0]
-    ) {
-      const bareModuleIdentifier =
-        normalParts.slice(nodeModulesIndex + 1).join("/");
-      if (normal === this.normalizeId(bareModuleIdentifier, file)) {
-        return bareModuleIdentifier;
-      }
-      console.error(`Leaving ${id} import in ${file} unchanged because ${
-        bareModuleIdentifier
-      } does not resolve to the same module`);
-    }
-    return id;
-  }
-
   normalizeId(id: string, file: string) {
     const basedir = path.dirname(file);
     const absPath = resolve.sync(id, {