OTT-1687: address review comments

go.mod

@@ -79,7 +79,6 @@ require (
 	github.com/subosito/gotenv v1.4.2 // indirect
 	github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f // indirect
 	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
-	github.com/yudai/pp v2.0.1+incompatible // indirect
 	golang.org/x/crypto v0.0.0-20220525230936-793ad666bf5e // indirect
 	golang.org/x/sys v0.14.0 // indirect
 	google.golang.org/genproto v0.0.0-20230110181048-76db0878b65f // indirect

go.sum

@@ -504,7 +504,6 @@ github.com/yudai/gojsondiff v1.0.0/go.mod h1:AY32+k2cwILAkW1fbgxQ5mUmMiZFgLIV+FB
 github.com/yudai/golcs v0.0.0-20170316035057-ecda9a501e82 h1:BHyfKlQyqbsFN5p3IfnEUduWvb9is428/nNb5L3U01M=
 github.com/yudai/golcs v0.0.0-20170316035057-ecda9a501e82/go.mod h1:lgjkn3NuSvDfVJdfcVVdX+jpBxNmX4rDAzaS45IcYoM=
 github.com/yudai/pp v2.0.1+incompatible h1:Q4//iY4pNF6yPLZIigmvcl7k/bPgrcTPIFIcmawg5bI=
-github.com/yudai/pp v2.0.1+incompatible/go.mod h1:PuxR/8QJ7cyCkFp/aUDS+JY727OFEZkTdatxwunjIkc=
 github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=

openrtb_ext/bidders.go

@@ -488,7 +488,6 @@ const (
 	BidderSonobi            BidderName = "sonobi"
 	BidderSovrn             BidderName = "sovrn"
 	BidderSspBC             BidderName = "sspBC"
-	BidderSpotX             BidderName = "spotx"
 	BidderStreamkey         BidderName = "streamkey"
 	BidderStroeerCore       BidderName = "stroeerCore"
 	BidderSuntContent       BidderName = "suntContent"
@@ -506,7 +505,6 @@ const (
 	BidderUnicorn           BidderName = "unicorn"
 	BidderUnruly            BidderName = "unruly"
 	BidderValueImpression   BidderName = "valueimpression"
-	BidderVASTBidder        BidderName = "vastbidder"
 	BidderVideoByte         BidderName = "videobyte"
 	BidderVideoHeroes       BidderName = "videoheroes"
 	BidderVidoomy           BidderName = "vidoomy"
@@ -526,7 +524,6 @@ const (
 	BidderYieldone          BidderName = "yieldone"
 	BidderZeroClickFraud    BidderName = "zeroclickfraud"
 	BidderZetaGlobalSsp     BidderName = "zeta_global_ssp"
-	BidderORTBMagnite       BidderName = "owortb_magnite" // OW specific: oRTB bidder for magnite
 )
 
 // CoreBidderNames returns a slice of all core bidders.

openrtb_ext/bidders_ow.go

@@ -0,0 +1,8 @@
+package openrtb_ext
+
+// constant of OW specific bidders
+const (
+	BidderORTBMagnite BidderName = "owortb_magnite"
+	BidderSpotX       BidderName = "spotx"
+	BidderVASTBidder  BidderName = "vastbidder"
+)