Not install nginx in the devcontainer

.devcontainer/Dockerfile

@@ -16,6 +16,3 @@ RUN yum update -y && \
     yum clean all && rm -rf /var/cache/yum
 
 USER $USERNAME
-
-COPY nginx.repo /etc/yum.repos.d/nginx.repo
-RUN sudo yum -y install nginx nginx-module-njs
\ No newline at end of file

.devcontainer/nginx.repo

-[nginx-stable]
-name=nginx stable repo
-baseurl=http://nginx.org/packages/centos/\$releasever/\$basearch/
-gpgcheck=1
-enabled=1
-gpgkey=https://nginx.org/keys/nginx_signing.key
-module_hotfixes=true
-
-[nginx-mainline]
-name=nginx mainline repo
-baseurl=http://nginx.org/packages/mainline/centos/\$releasever/\$basearch/
-gpgcheck=1
-enabled=0
-gpgkey=https://nginx.org/keys/nginx_signing.key
-module_hotfixes=true