[bip-0010]: remove repeated "the"

Location: In the ["Specification" section.](https://github.com/bitcoin/bips/blob/master/bip-0010.mediawiki#specification) Original: This is a specific naming convention to make sure it is not confused with **_the actual the transaction_** ID that it will have after it is broadcast... Correction: This is a specific naming convention to make sure it is not confused with **_the actual transaction_** ID that it will have after it is broadcast... Reason: The word "the" is repeated.

Specification