drivers: pnp: proc.c: Removed unnecessary varibles

de, e are two variables of the type 'struct proc_dir_entry'
which can be removed to save memory. This also fixes a coding style
issue reported by checkpatch where we are suggested to make assignment
outside the if statement.

Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Anupama K Patil <anupamakpatil123@gmail.com>
Link: https://lore.kernel.org/r/20210422180322.7wlyg63kv3n2k6id@ubuntu


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>