Remove banners for Jetbrains survey

[pfctdayelise]

It seems to not be closed now.

Maybe just reversing a6272bf is enough :)

[berkerpeksag]

@pfctdayelise good catch, thank you for your report.

@MarkMangoba just to be sure, can we now remove the banners?

[MarkMangoba]

@berkerpeksag this is fine to do, thank you @pfctdayelise for the report!