BUG_15194: Error inserting data to PM Table.

The Json has some quotes that was causing troubles, because the stripslashes() function was been applicated before json_decode, so it was been applied twice.

Removing stripslashes() function, this is already added in json_decode().
Merge pull request #2481 from Jennydmz/master

BUG_15194: Error inserting data to PM Table.