QmlJS: Do not try the canonical file path

This is a real bottle neck on Windows
and I do not know of a case where it is required.

Change-Id: I99ebf3bfdd22cfb0ed82d6d39eeb83f079f654d6
Reviewed-by: Marco Benelli <marco.benelli@qt.io>

src/libs/qmljs/qmljslink.cpp

@@ -426,13 +426,8 @@ bool LinkPrivate::importLibrary(Document::Ptr doc,
     QString libraryPath = libraryPath_;
 
     LibraryInfo libraryInfo = snapshot.libraryInfo(libraryPath);
-    if (!libraryInfo.isValid()) {
-        // try canonical path
-        libraryPath = QFileInfo(libraryPath).canonicalFilePath();
-        libraryInfo = snapshot.libraryInfo(libraryPath);
     if (!libraryInfo.isValid())
         return false;
-    }
 
     import->libraryPath = libraryPath;