How to remove additional text in menu

I have a website ( https://www.accurateampere.in)
If you check the homepage infact every page on my main menu of navigation there is text WE CAN HELP YOU BUY +91 96378669325
I want to edit the phone number in it.
Checked each and every file in editor in apperarance but none of them have this.
Manually checked most of the files in the folder of my hosting provider
Even its mentioned nowhere
My theme is flatsome
Checked in theme seting and customize too but not there
Saw that its text not image as i can select it
Checked in page editor and menu options nowhere its present.
My developer isnt anymore hence I am confused what
I did everything I new
Can anyone check my website and help me??