[Colossians 1:14 KJV] "In whom we have redemption through his blood, [even] the forgiveness of sins:"
[Colossians 1:14 NIV] "in whom we have redemption, the forgiveness of sins."
The New Bibles remove "through his blood". It is through the blood of Christ that we have forgiveness
and justification
Just like with every other similar thread you've started: no, that is not the case. It's all based on the manuscript evidence, not the translations themselves.
Mat 26:28 This is my blood of the covenant, which is poured out for many for the forgiveness of sins.
Joh 6:53 Jesus said to them, "Very truly I tell you, unless you eat the flesh of the Son of Man and drink his blood, you have no life in you.
Joh 6:54 Whoever eats my flesh and drinks my blood has eternal life, and I will raise them up at the last day.
Joh 6:55 For my flesh is real food and my blood is real drink.
Joh 6:56 Whoever eats my flesh and drinks my blood remains in me, and I in them.
Joh 6:57 Just as the living Father sent me and I live because of the Father, so the one who feeds on me will live because of me.
Act 20:28 Keep watch over yourselves and all the flock of which the Holy Spirit has made you overseers. Be shepherds of the church of God, which he bought with his own blood.
Rom 3:25 God presented Christ as a sacrifice of atonement, through the shedding of his blood—to be received by faith. He did this to demonstrate his righteousness, because in his forbearance he had left the sins committed beforehand unpunished—
Rom 3:26 he did it to demonstrate his righteousness at the present time, so as to be just and the one who justifies those who have faith in Jesus.
Rom 5:9 Since we have now been justified by his blood, how much more shall we be saved from God's wrath through him!
Eph 1:7
In him we have redemption through his blood, the forgiveness of sins, in accordance with the riches of God's grace (Note that this is the very same wording as Col. 1:14.)
Col 1:20 and through him to reconcile to himself all things, whether things on earth or things in heaven, by making peace through his blood, shed on the cross.
Heb 9:14 How much more, then, will the blood of Christ, who through the eternal Spirit offered himself unblemished to God, cleanse our consciences from acts that lead to death, so that we may serve the living God!
Heb 9:15 For this reason Christ is the mediator of a new covenant, that those who are called may receive the promised eternal inheritance—now that he has died as a ransom to set them free from the sins committed under the first covenant.
1Pe 1:18 For you know that it was not with perishable things such as silver or gold that you were redeemed from the empty way of life handed down to you from your ancestors,
1Pe 1:19 but with the precious blood of Christ, a lamb without blemish or defect.
1Jn 1:7 But if we walk in the light, as he is in the light, we have fellowship with one another, and the blood of Jesus, his Son, purifies us from all sin.
Rev 7:14 I answered, "Sir, you know." And he said, "These are they who have come out of the great tribulation; they have washed their robes and made them white in the blood of the Lamb.
(All NIV.)
If they really were trying to remove the blood of Christ, they did an absolutely terrible job of it. That's why we know they weren't trying to do it. Yet again, you have no legitimate argument against the NIV.