droped TIF from the error message in the thumbnail widgets, since it'…

…s not supported. (#10819)

src/main/java/propertyFiles/Bundle.properties

@@ -1064,7 +1064,7 @@ dataverse.theme.logo.imageFooter=Footer Image
 dataverse.theme.logo.image.title=The logo or image file you wish to display in the header of this dataverse.
 dataverse.theme.logo.image.footer=The logo or image file you wish to display in the footer of this dataverse.
 dataverse.theme.logo.image.uploadNewFile=Upload New File
-dataverse.theme.logo.image.invalidMsg=The image could not be uploaded. Please try again with a JPG, TIF, or PNG file.
+dataverse.theme.logo.image.invalidMsg=The image could not be uploaded. Please try again with a JPG or PNG file.
 dataverse.theme.logo.image.uploadImgFile=Upload Image File
 dataverse.theme.logo.format.title=The shape for the logo or image file you upload for this dataverse.
 dataverse.theme.logo.alignment.title=Where the logo or image should display in the header or footer.
@@ -2166,7 +2166,7 @@ dataset.thumbnailsAndWidget.thumbnailImage.selectAvailable.title=Select a thumbn
 dataset.thumbnailsAndWidget.thumbnailImage.uploadNew=Upload New File
 dataset.thumbnailsAndWidget.thumbnailImage.uploadNew.title=Upload an image file as your dataset thumbnail, which will be stored separately from the data files that belong to your dataset.
 dataset.thumbnailsAndWidget.thumbnailImage.upload=Upload Image
-dataset.thumbnailsAndWidget.thumbnailImage.upload.invalidMsg=The image could not be uploaded. Please try again with a JPG, TIF, or PNG file.
+dataset.thumbnailsAndWidget.thumbnailImage.upload.invalidMsg=The image could not be uploaded. Please try again with a JPG or PNG file.
 dataset.thumbnailsAndWidget.thumbnailImage.alt=Thumbnail image selected for dataset
 dataset.thumbnailsAndWidget.success=Dataset thumbnail updated.
 dataset.thumbnailsAndWidget.removeThumbnail=Remove Thumbnail