remove code in sb-file-uploader that sets uri history on loading project from file

src/containers/sb-file-uploader.jsx

@@ -118,12 +118,6 @@ class SBFileUploader extends React.Component {
             const filename = this.fileToUpload && this.fileToUpload.name;
             this.props.vm.loadProject(this.reader.result)
                 .then(() => {
-                    // Remove the hash if any (without triggering a hash change event or a reload)
-                    try { // Can fail e.g. when GUI is loaded from static file (integration tests)
-                        history.replaceState({}, document.title, '.');
-                    } catch {
-                        // No fallback, just do not trigger promise catch below
-                    }
                     this.props.onLoadingFinished(this.props.loadingState, true);
                     // Reset the file input after project is loaded
                     // This is necessary in case the user wants to reload a project