Use ./store as the storage directory

lts.go

@@ -83,7 +83,7 @@ func basicAuth(handler http.HandlerFunc, realm string) http.HandlerFunc {
     }
 }
 
-var storePath string
+var storePath string = "./store"
 
 // https://yourbasic.org/golang/formatting-byte-size-to-human-readable-format/
 func byteCountSI(b int64) string {
@@ -233,12 +233,6 @@ func watchAllowedUsers() chan bool {
 }
 
 func main() {
-	storePathValue, ok := os.LookupEnv("LTS_STORE_PATH")
-	if !ok {
-		log.Fatal("LTS_STORE_PATH not set")
-	}
-	storePath = storePathValue
-
 	reloadAllowedUsers()
 	doneWatching := watchAllowedUsers()