In fact only two ways: mechanical and chemical.
Silicone sealant sticks to the surface once and for all. If you did not erased the fresh drops of silicone with ceramic tiles or enamelled bath, his removal will be for you a very laborious task. Take a utility knife and carefully cut away the silicone layer by layer. Trying to peel the silicone shouldn't try: don't you puke and if you do succeed, the only piece of the base to which it is bonded. Wipe off the remains with a wire sponge or abrasive cleaner.
It often happens that when sealing joints not complied with the recommendations of the manufacturer. In the end, the sealant is coming off in places. In this case, you will have to remove all the sealer before you apply the new sealant as the sealant is glued to the hard. And sealing the seam with patches will not look aesthetically pleasing.
If you are unable to remove the sealant, use a chemical. Now many firms produce solvents sealant. It Quilosa, Lugato, CRC Gasket Remover, Penta-840 and many others. Most often, the drug for the removal of silicone is in the form of aerosol or paste.
Depending on the time of application of the solvent, the sealant is either easily removed or converted into a paste, which wash away. Be sure to check the surface reaction in an inconspicuous area, because most of these substances dissolves not only the sealer but also enamel, varnish and paint.
When spraying aerosol use personal protective equipment: gloves and a mask. Operate only in ventilated area. Shake the container and apply a thick layer on the treated surface. Are aerosols rather quickly, so after 20 minutes you have to remove the sealant and clean the remnants with a cloth or spatula. If the result does not satisfy you – again.