Remove X-Frame-Options to allow iframing from ITSI
Remove X-Frame-Options to allow iframing from ITSI

X-Frame-Options prevents clickjacking, but disables iframe embeds from
other domains. Since we require ITSI Portal to be able to ember the app
in an iframe, we remove it.

project-icp/bee-pollinator-app,kdeloach/model-my-watershed,lliss/model-my-watershed,lliss/model-my-watershed,mmcfarland/model-my-watershed,WikiWatershed/model-my-watershed,WikiWatershed/model-my-watershed,WikiWatershed/model-my-watershed,kdeloach/model-my-watershed,mmcfarland/model-my-watershed,mmcfarland/model-my-watershed,project-icp/bee-pollinator-app,WikiWatershed/model-my-watershed,kdeloach/model-my-watershed,lliss/model-my-watershed,kdeloach/model-my-watershed,WikiWatershed/model-my-watershed,lliss/model-my-watershed,mmcfarland/model-my-watershed,project-icp/bee-pollinator-app,lliss/model-my-watershed,project-icp/bee-pollinator-app,kdeloach/model-my-watershed,mmcfarland/model-my-watershed