Remove healthd enhanced logging references from EB nginx config

Referencing healthd can cause problems on EB instances that do not
have enhanced logging enabled. This commit removes it, allowing the
configuration to work regardless of whether enhanced logging is
enabled.

Fixes #5537

bin/aws-eb-docker/.ebextensions/metabase_config/metabase-setup.sh

@@ -70,7 +70,6 @@ server {
         set $day $3;
         set $hour $4;
     }
-    access_log /var/log/nginx/healthd/application.log.$year-$month-$day-$hour healthd;
 
     access_log    /var/log/nginx/access.log;
 
@@ -122,7 +121,6 @@ server {
         set $day $3;
         set $hour $4;
     }
-    access_log /var/log/nginx/healthd/application.log.$year-$month-$day-$hour healthd;
 
     access_log    /var/log/nginx/access.log;
 
@@ -169,7 +167,7 @@ cp_default_server () {
 log_x_real_ip () {
     cp .ebextensions/metabase_config/nginx/log_x_real_ip.conf /etc/nginx/conf.d/log_x_real_ip.conf
     cd  /etc/nginx/sites-available
-    if ! grep -q access_log *-proxy.conf ; then 
+    if ! grep -q access_log *-proxy.conf ; then
         sed -i 's|location \/ {|location \/ {\n\n        access_log \/var\/log\/nginx\/access.log log_x_real_ip;\n|' *-proxy.conf
     fi
 }