Go: Remove redundant error check (#7307)

Co-authored-by: Jason Q <81179619+beqqrry-aws@users.noreply.github.com>

Author: shadow3x3x3

gov2/cloudfront/CreateDistribution/CreateDistribution.go

@@ -46,10 +46,6 @@ func (c *CFDistributionAPIImpl) CreateDistribution(ctx context.Context, bucketNa
 	}
 	originDomain := bucketName + ".s3." + string(locationOutput.LocationConstraint) + ".amazonaws.com"
 
-	if err != nil {
-		return nil, err
-	}
-
 	originAccessIdentityID, err := c.createoriginAccessIdentity(ctx, domain)
 	if err != nil {
 		return nil, err