Remove unused nuget source (#302)

Author: calebkiage

Dockerfile

@@ -14,9 +14,6 @@ WORKDIR /app/msgraph-cli
 
 # RUN apk add gcc --no-cache # Uncomment this if PublishAot is enabled
 
-RUN --mount=type=secret,id=user,required=true --mount=type=secret,id=token,required=true \
-    dotnet nuget add source ${MSGRAPH_NUGET_URL} -n msgraph-gh -u $(cat /run/secrets/user) -p $(cat /run/secrets/token) --store-password-in-clear-text
-
 RUN dotnet publish -p:PublishSingleFile=false -p:PublishReadyToRun=true -p:PublishReadyToRunShowWarnings=true ./src/msgraph-cli.csproj --configuration Release --no-self-contained --runtime linux-musl-x64 --output /app/output
 
 FROM mcr.microsoft.com/dotnet/runtime:7.0-alpine as runtime
@@ -47,4 +44,4 @@ VOLUME [ "/root/.mgc", "/root/.local/share/.IdentityService", "/root/.local/shar
 ENTRYPOINT ["./dist/init.sh"]
 
 LABEL description="# Welcome to the Microsoft Graph CLI  \
-[Source dockerfile](https://github.com/microsoftgraph/msgraph-cli/blob/main/Dockerfile)"
+[Source dockerfile](https://github.com/microsoftgraph/msgraph-cli/blob/main/Dockerfile)"