Let's try to remove it manually.
Open Settings > Time and Language > Language and Region
Under the "Language" section, click the Add a language button for the "Preferred languages" setting.
Find English United Kingdom then Install it
Once added, click 3 dots next to it then select Language options
Under Keyboards, click Add a keyboard next to "Installed keyboards"
Find and select United States - International
Once added, click 3 dots next to it then select Remove
Once deleted, go back under Preferred languages
Click 3 dots next to English (United Kingdom), click Remove then Yes