Chisel large chunks of tile adhesive off the walls.
How to get tile glue off of walls.
But other parts of vinyl tile adhesive may take more time to come off completely.
Apply some water to a small section of the adhesive.
Just answered your thread about repairing walls after removing wallpaper but i would recommend a completely different approach for the walls in this photo.
Give a few taps until the tile adhesive becomes loose enough to fall off or be scraped off with the end of the chisel.
Irrespective of the adhesive formula you have to cover the floor with old cloths as to protect it from the residues which will fall off the wall.
Place the chisel at the edge of the piece of adhesive holding it at about a 15 degree angle.
Wait several minutes and use a large scrapper to remove the mastic.
Use your hammer to gently tap at the end of the chisel to pry off the adhesive.
How to remove ceramic tile glue from a wall.
If the adhesive used was organic mastic the water will begin to soften it allowing you to.
Look for a formula that is either made for ceramic tile.
Apply an adhesive removing paste to the wall.
If the adhesive is not cement based you could try sprinkling water to the wall to ease the scrapping process.