Can the bilingual keyboard functionality in iOS 18 be completely disabled?

I just upgraded to iOS 18 on my phone, which brought with it the **very** unwelcome change that most of my keyboard layouts are now ‘bilingual’. I do not ever want any of my keyboard layouts to be bilingual, since it is absolutely terrible at identifying what language you write when – like me – you often write things in multiple languages. Autocorrect has become almost entirely unusable with this change. I have more than 20 keyboard layouts (yes, I realise this is unusual, but I really do type in most of them on a regular basis), and about 15 of them are now ‘bilingual’. Unfortunately, while I can easily delete the non-English language from a bilingual keyboard, it seems you **cannot** remove English to make it a single-language non-English keyboard layout. Instead, I have to now remove 15 layouts, re-add them one at a time, actively choose the single-language option (since bilingual is now the default), then reorder them the way I want them. And remember to choose the single-language option every time I want to add a new layout. This to me is absolutely atrocious UI, so I’ve been trying to find some setting or method to completely disable the bilingual feature so that _all_ keyboards (existing and future) are forced to single-language mode… but so far no dice. Is it possible to disable the bilingual keyboard functionality system-wide in iOS 18?