Remove date/time, etc EXIF tags

app/src/main/java/eu/faircode/email/FragmentCompose.java

@@ -3243,8 +3243,14 @@ public class FragmentCompose extends FragmentBase {
 
                     exif.setAttribute(ExifInterface.TAG_GPS_AREA_INFORMATION, null);
 
+                    exif.setAttribute(ExifInterface.TAG_DATETIME, null);
+                    exif.setAttribute(ExifInterface.TAG_DATETIME_ORIGINAL, null);
+                    exif.setAttribute(ExifInterface.TAG_DATETIME_DIGITIZED, null);
+
                     exif.setAttribute(ExifInterface.TAG_XMP, null);
+                    exif.setAttribute(ExifInterface.TAG_IMAGE_DESCRIPTION, null);
                     exif.setAttribute(ExifInterface.TAG_ARTIST, null);
+                    exif.setAttribute(ExifInterface.TAG_IMAGE_UNIQUE_ID, null);
                     exif.setAttribute(ExifInterface.TAG_CAMERA_OWNER_NAME, null);
                     exif.setAttribute(ExifInterface.TAG_BODY_SERIAL_NUMBER, null);
                     exif.setAttribute(ExifInterface.TAG_LENS_SERIAL_NUMBER, null);