etherpad: remove quotes from all env vars

env.example

@@ -98,16 +98,16 @@ TZ=UTC
 #ETHERPAD_PUBLIC_URL=https://etherpad.my.domain
 
 # Name your etherpad instance!
-ETHERPAD_TITLE="Video Chat"
+ETHERPAD_TITLE=Video Chat
 
 # The default text of a pad
-ETHERPAD_DEFAULT_PAD_TEXT="Welcome to Web Chat!\n\n"
+ETHERPAD_DEFAULT_PAD_TEXT=Welcome to Web Chat!\n\n
 
 # Name of the skin for etherpad
-ETHERPAD_SKIN_NAME="colibris"
+ETHERPAD_SKIN_NAME=colibris
 
 # Skin variants for etherpad
-ETHERPAD_SKIN_VARIANTS="super-light-toolbar super-light-editor light-background full-width-editor"
+ETHERPAD_SKIN_VARIANTS=super-light-toolbar super-light-editor light-background full-width-editor
 
 
 #

etherpad.yml

@@ -6,10 +6,10 @@ services:
         image: etherpad/etherpad:1.8.6
         restart: ${RESTART_POLICY}
         environment:
-            - TITLE="${ETHERPAD_TITLE}"
-            - DEFAULT_PAD_TEXT="${ETHERPAD_DEFAULT_PAD_TEXT}"
-            - SKIN_NAME="${ETHERPAD_SKIN_NAME}"
-            - SKIN_VARIANTS="${ETHERPAD_SKIN_VARIANTS}"
+            - TITLE=${ETHERPAD_TITLE}
+            - DEFAULT_PAD_TEXT=${ETHERPAD_DEFAULT_PAD_TEXT}
+            - SKIN_NAME=${ETHERPAD_SKIN_NAME}
+            - SKIN_VARIANTS=${ETHERPAD_SKIN_VARIANTS}
         networks:
             meet.jitsi:
                 aliases: