remove nginx-secure-token-module from the nginx build

Kaltura deleted the nginx-secure-token-module repo, so the tarball download in build_nginx.sh returned a 404 and any build without a cached nginx layer failed. This drops the module and its secure_token directives from the vod location.

docker/main/build_nginx.sh

@@ -4,7 +4,6 @@ set -euxo pipefail
 
 NGINX_VERSION="1.27.4"
 VOD_MODULE_VERSION="v1.9.1"
-SECURE_TOKEN_MODULE_VERSION="1.5"
 SET_MISC_MODULE_VERSION="v0.33"
 NGX_DEVEL_KIT_VERSION="v0.3.3"
 
@@ -52,11 +51,6 @@ patch -d /tmp/nginx-vod-module/ -p1 << 'EOF'
 EOF
 
 
-mkdir /tmp/nginx-secure-token-module
-wget https://github.com/kaltura/nginx-secure-token-module/archive/refs/tags/${SECURE_TOKEN_MODULE_VERSION}.tar.gz
-tar -zxf ${SECURE_TOKEN_MODULE_VERSION}.tar.gz -C /tmp/nginx-secure-token-module --strip-components=1
-rm ${SECURE_TOKEN_MODULE_VERSION}.tar.gz
-
 mkdir /tmp/ngx_devel_kit
 wget https://github.com/vision5/ngx_devel_kit/archive/refs/tags/${NGX_DEVEL_KIT_VERSION}.tar.gz
 tar -zxf ${NGX_DEVEL_KIT_VERSION}.tar.gz -C /tmp/ngx_devel_kit --strip-components=1
@@ -80,7 +74,6 @@ cd /tmp/nginx
     --add-module=../ngx_devel_kit \
     --add-module=../nginx-set-misc-module \
     --add-module=../nginx-vod-module \
-    --add-module=../nginx-secure-token-module \
     --with-cc-opt="-O3 -Wno-error=implicit-fallthrough"
 
 make CC="ccache gcc" -j$(nproc) && make install

docker/main/rootfs/usr/local/nginx/conf/nginx.conf

@@ -143,9 +143,6 @@ http {
             # version 6 (RFC 8216 section 7); the module default is 4
             vod_hls_version 6;
 
-            secure_token $args;
-            secure_token_types application/vnd.apple.mpegurl;
-
             include security_headers.conf;
             add_header Cache-Control "no-store";
             expires off;