[DOCS] Reformatted security troubleshooting pages (elastic/x-pack-elasticsearch#2799)
[DOCS] Reformatted security troubleshooting pages (elastic/x-pack-elasticsearch#2799)

Original commit: elastic/x-pack-elasticsearch@ec9969ec7a87b865ff3333a28a638188852910bb

scorpionvicky/elasticsearch,gingerwizard/elasticsearch,coding0011/elasticsearch,gfyoung/elasticsearch,gfyoung/elasticsearch,scorpionvicky/elasticsearch,uschindler/elasticsearch,nknize/elasticsearch,nknize/elasticsearch,robin13/elasticsearch,robin13/elasticsearch,HonzaKral/elasticsearch,HonzaKral/elasticsearch,gfyoung/elasticsearch,GlenRSmith/elasticsearch,nknize/elasticsearch,scorpionvicky/elasticsearch,GlenRSmith/elasticsearch,HonzaKral/elasticsearch,gingerwizard/elasticsearch,gingerwizard/elasticsearch,nknize/elasticsearch,GlenRSmith/elasticsearch,GlenRSmith/elasticsearch,gingerwizard/elasticsearch,gingerwizard/elasticsearch,uschindler/elasticsearch,gingerwizard/elasticsearch,robin13/elasticsearch,gfyoung/elasticsearch,coding0011/elasticsearch,nknize/elasticsearch,gfyoung/elasticsearch,coding0011/elasticsearch,uschindler/elasticsearch,scorpionvicky/elasticsearch,robin13/elasticsearch,uschindler/elasticsearch,scorpionvicky/elasticsearch,robin13/elasticsearch,gingerwizard/elasticsearch,HonzaKral/elasticsearch,GlenRSmith/elasticsearch,uschindler/elasticsearch,coding0011/elasticsearch,coding0011/elasticsearch