Eliminar todos los procedimientos almacendos con un sentencia SQL Server.

use nombredatabase;

declare @procName varchar(500)

declare cur cursor 



for select [name] from sys.objects where type = 'p'

open cur

fetch next from cur into @procName

while @@fetch_status = 0

begin

    exec('drop procedure ' + @procName)

    fetch next from cur into @procName

end

close cur

deallocate cur