Remove functional tests PAAPI feature

Author: marki1an

src/test/groovy/org/prebid/server/functional/model/config/AccountAuctionConfig.groovy

@@ -7,7 +7,6 @@ import groovy.transform.ToString
 import org.prebid.server.functional.model.bidder.BidderName
 import org.prebid.server.functional.model.request.auction.BidAdjustment
 import org.prebid.server.functional.model.request.auction.BidRounding
-import org.prebid.server.functional.model.request.auction.PaaFormat
 import org.prebid.server.functional.model.request.auction.Targeting
 import org.prebid.server.functional.model.response.auction.MediaType
 
@@ -28,7 +27,6 @@ class AccountAuctionConfig {
     AccountPriceFloorsConfig priceFloors
     AccountProfilesConfigs profiles
     Targeting targeting
-    PaaFormat paaformat
     @JsonProperty("preferredmediatype")
     Map<BidderName, MediaType> preferredMediaType
     @JsonProperty("privacysandbox")

src/test/groovy/org/prebid/server/functional/model/request/auction/AuctionEnvironment.groovy

@@ -23,13 +23,9 @@ class ImpExt {
     String tid
     String gpid
     String sid
-    @JsonProperty("ae")
-    AuctionEnvironment auctionEnvironment
     String all
     String skadn
     String general
-    @JsonProperty("igs")
-    InterestGroupAuctionSupport interestGroupAuctionSupports
     AnyUnsupportedBidder anyUnsupportedBidder
 
     static ImpExt getDefaultImpExt() {

src/test/groovy/org/prebid/server/functional/model/request/auction/ImpExt.groovy

@@ -42,7 +42,6 @@ class Prebid {
     PrebidModulesConfig modules
     PrebidAnalytics analytics
     StoredAuctionResponse storedAuctionResponse
-    PaaFormat paaFormat
     @JsonProperty("alternatebiddercodes")
     AlternateBidderCodes alternateBidderCodes
     @JsonProperty("profiles")

src/test/groovy/org/prebid/server/functional/model/request/auction/InterestGroupAuctionSupport.groovy

@@ -1,6 +1,5 @@
 package org.prebid.server.functional.model.response.auction
 
-import com.fasterxml.jackson.annotation.JsonProperty
 import groovy.transform.ToString
 import org.prebid.server.functional.model.response.BidderError
 import org.prebid.server.functional.model.response.Debug
@@ -16,6 +15,4 @@ class BidResponseExt {
     Map<String, ResponseSyncData> usersync
     BidResponsePrebid prebid
     Map<ErrorType, List<WarningEntry>> warnings
-    @JsonProperty("igi")
-    List<InterestGroupAuctionIntent> interestGroupAuctionIntent
 }