Remove deprecated settings (#23)

From
https://github.com/microsoft/AL-Go/blob/main/DEPRECATIONS.md#setting-workflowschedule-will-no-longer-be-supported

Author: mazhelez

.github/AL-Go-Settings.json

@@ -2,9 +2,6 @@
   "$schema": "https://raw.githubusercontent.com/microsoft/AL-Go/32e66d69cfd2c1e3eca39e416e27c6aa58de6df3/Actions/.Modules/settings.schema.json",
   "type": "AppSource App",
   "templateUrl": "https://github.com/microsoft/AL-Go-AppSource@preview",
-  "NextMajorSchedule": "0 2 * * 0",
-  "NextMinorSchedule": "0 2 * * 6",
-  "CurrentSchedule": "0 2 * * 1,2,3,4,5",
   "runs-on": "ubuntu-latest",
   "unusedALGoSystemFiles": [
     "AddExistingAppOrTestApp.yaml",

.github/Test Current.settings.json

@@ -2,5 +2,8 @@
   "$schema": "https://raw.githubusercontent.com/microsoft/AL-Go/32e66d69cfd2c1e3eca39e416e27c6aa58de6df3/Actions/settings.schema.json",
   "artifact": "////latest",
   "cacheImageName": "",
-  "versioningStrategy": 15
+  "versioningStrategy": 15,
+  "workflowSchedule": {
+      "cron": "0 2 * * 1,2,3,4,5"
+  }
 }

.github/Test Next Major.settings.json

@@ -2,5 +2,8 @@
   "$schema": "https://raw.githubusercontent.com/microsoft/AL-Go/32e66d69cfd2c1e3eca39e416e27c6aa58de6df3/Actions/settings.schema.json",
   "artifact": "////nextmajor/{INSIDERSASTOKEN}",
   "cacheImageName": "",
-  "versioningStrategy": 15
+  "versioningStrategy": 15,
+  "workflowSchedule": {
+      "cron": "0 2 * * 0"
+  }
 }

.github/Test Next Minor.settings.json

@@ -2,5 +2,8 @@
   "$schema": "https://raw.githubusercontent.com/microsoft/AL-Go/32e66d69cfd2c1e3eca39e416e27c6aa58de6df3/Actions/settings.schema.json",
   "artifact": "////nextminor/{INSIDERSASTOKEN}",
   "cacheImageName": "",
-  "versioningStrategy": 15
+  "versioningStrategy": 15,
+  "workflowSchedule": {
+      "cron": "0 2 * * 6"
+  }
 }