chore: remove unused vars (#57)

* chore: remove unused vars
* fixup jobs

Author: dni

.github/workflows/arduino-report.yml

@@ -1,4 +1,8 @@
 on:
+  push:
+    branches:
+      - main
+  pull_request:
   schedule:
     - cron:  '*/5 * * * *'
 jobs:

.github/workflows/arduino.yml

@@ -1,5 +1,9 @@
 name: arduino
-on: [ push, pull_request ]
+on:
+  push:
+    branches:
+      - main
+  pull_request:
 
 jobs:
   build-for-esp32:

bitcoinSwitch/bitcoinSwitch.ino

@@ -11,13 +11,6 @@ int config_threshold_time;
 
 String apiUrl = "/api/v1/ws/";
 
-// length of switch device id
-// 7dhdyJ9bbZNWNVPiFSdmb5
-int uidLength = 22;
-
-bool paid;
-long thresholdSum = 0;
-
 WebSocketsClient webSocket;
 
 void setup() {
@@ -108,6 +101,7 @@ void executePayment(uint8_t *payload) {
 
 }
 
+// long thresholdSum = 0;
 // void executeThreshold() {
 //     StaticJsonDocument<1900> doc;
 //     DeserializationError error = deserializeJson(doc, payloadStr);