hs-test: use nginx 1.26.2 for NginxHttp3Test

- test is no longer marked as extended
- no building required -> removed nginx build scripts

Type: test

Change-Id: I1814b1e4b7e514f81797efa3b5c1e818d2fe4cda
Signed-off-by: Adrian Villin <avillin@cisco.com>

extras/hs-test/script/build_boringssl.sh

@@ -1,4 +0,0 @@
-#!/bin/bash
-cd boringssl || exit 1
-cmake -GNinja -B build
-ninja -C build

extras/hs-test/script/build_hst.sh

@@ -85,9 +85,7 @@ docker_build hs-test/vpp vpp
 docker_build hs-test/nginx-ldp nginx
 docker_build hs-test/nginx-server nginx-server
 docker_build hs-test/curl curl
-if [ "$HST_EXTENDED_TESTS" = true ] ; then
-    docker_build hs-test/nginx-http3 nginx-http3
-fi
+docker_build hs-test/nginx-http3 nginx-http3
 
 # cleanup detached images
 images=$(docker images --filter "dangling=true" -q --no-trunc)

extras/hs-test/script/build_nginx.sh

@@ -1,5 +0,0 @@
-#!/bin/bash
-cd nginx || exit 1
-./auto/configure --with-debug --with-http_v3_module --with-cc-opt="-I../boringssl/include" --with-ld-opt="-L../boringssl/build/ssl -L../boringssl/build/crypto" --without-http_rewrite_module --without-http_gzip_module
-make
-make install