Remove the if statement

rel/overlay/bin/remsh

@@ -49,12 +49,7 @@ NODE="${NODE:-$DEFAULT_NODE}"
 
 # If present, extract cookie from ERL_FLAGS
 # This is used by the CouchDB Dockerfile and Helm chart
-if [[ ${ERL_FLAGS} =~ .*[\'\"].*[\'\"].* ]]; then
-  COOKIE=$(echo "$ERL_FLAGS" | sed 's/.*setcookie *\(['\''"]\)\(.*\)\1.*$/\2/')
-else
-  COOKIE=$(echo "$ERL_FLAGS" | sed 's/^.*setcookie *\([^ ][^ ]*\).*$/\1/')
-fi
-
+COOKIE=$(echo "$ERL_FLAGS" | sed 's/^.*setcookie[ ]*\(['\''"]\)*\([^'\''"]*\)\1*.*$/\2/')
 if test -f "$ARGS_FILE"; then
 # else attempt to extract from vm.args
   ARGS_FILE_COOKIE=$(awk '$1=="-setcookie"{st=index($0," "); print substr($0,st+1)}' "$ARGS_FILE" | tr -d \" | tr -d \')
@@ -116,11 +111,7 @@ fi
 
 # If present, strip -name or -setcookie from ERL_FLAGS
 # to avoid conflicts with the cli parameters
-if [[ ${ERL_FLAGS} =~ .*[\'\"].*[\'\"].* ]]; then
-  ERL_FLAGS_CLEAN=$(echo "$ERL_FLAGS" | sed 's/-setcookie *\(['\''"]\)\(.*\)\1//g;s/-name \([^ ][^ ]*\)//g')
-else
-  ERL_FLAGS_CLEAN=$(echo "$ERL_FLAGS" | sed 's/-setcookie *\([^ ][^ ]*\)//g;s/-name \([^ ][^ ]*\)//g')
-fi
+ERL_FLAGS_CLEAN=$(echo "$ERL_FLAGS" | sed 's/-setcookie[ ]*\(['\''"]\)*\([^'\''"]*\)\1*//;s/-name \([^ ][^ ]*\)//')
 
 if [ -z "${COOKIE}" ]; then
     echo "No Erlang cookie could be found, please specify with -c" >&2