feat!: Remove snap packaging (#635)

Signed-off-by: Farshid Tavakolizadeh <[email protected]>

.github/dependabot.yml

@@ -16,8 +16,3 @@ updates:
         # Included when device-sdk-go is updated
       - dependency-name: "github.com/edgexfoundry/go-mod-bootstrap/v3"
         # Included when device-sdk-go is updated      
-  # Maintain dependencies for snap's internal Go modules
-  - package-ecosystem: "gomod"
-    directory: "/snap/local/helper-go"
-    schedule:
-      interval: "daily"

.gitignore

@@ -19,11 +19,4 @@ cmd/device-mqtt
 glide.lock
 VERSION
 
-# snap files
-*.snap
-*.assert
-prime/
-stage/
-parts/
-squashfs-root/
 coverage.out

Jenkinsfile

@@ -15,6 +15,5 @@
 //
 
 edgeXBuildGoApp (
-    project: 'device-mqtt-go',
-    buildSnap: false
-) 
+    project: 'device-mqtt-go'
+) 

README.md

@@ -12,7 +12,7 @@ MQTT Micro Service - device service for connecting a MQTT topic to EdgeX acting
 
 ## Build with NATS Messaging
 Currently, the NATS Messaging capability (NATS MessageBus) is opt-in at build time.
-This means that the published Docker image and Snaps do not include the NATS messaging capability.
+This means that the published Docker images do not include the NATS messaging capability.
 
 The following make commands will build the local binary or local Docker image with NATS messaging
 capability included.
@@ -25,11 +25,8 @@ The locally built Docker image can then be used in place of the published Docker
 See [Compose Builder](https://github.com/edgexfoundry/edgex-compose/tree/main/compose-builder#gen) `nat-bus` option to generate compose file for NATS and local dev images.
 
 ## Packaging
-This component is packaged as docker image and snap.
-
-For docker, please refer to the [Dockerfile](Dockerfile) and [Docker Compose Builder](https://github.com/edgexfoundry/edgex-compose/tree/main/compose-builder) scripts.
-
-For the snap, refer to the [snap](snap) directory.
+This component is packaged as docker images.
+Please refer to the [Dockerfile](Dockerfile) and [Docker Compose Builder](https://github.com/edgexfoundry/edgex-compose/tree/main/compose-builder) scripts.
 
 ## Usage
 Users can refer to [this document](https://docs.edgexfoundry.org/2.1/examples/Ch-ExamplesAddingMQTTDevice) to learn how to use this device service.