Edit code coverage messages

[ruthemmanuelle]

What does this PR do?

@lcampos - I made a couple more changes to your messages.

What issues does this PR fix or reference?

#1145

[codecov]

Codecov Report

Merging #1159 into develop will decrease coverage by 0.04%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop    #1159      +/-   ##
===========================================
- Coverage    72.71%   72.67%   -0.05%     
===========================================
  Files          193      193              
  Lines         7221     7221              
  Branches       746      746              
===========================================
- Hits          5251     5248       -3     
- Misses        1813     1814       +1     
- Partials       157      159       +2

Impacted Files	Coverage Δ
...edx-vscode-core/src/telemetry/telemetryReporter.ts	50.7% <0%> (-2.82%)	⬇️
...forcedx-vscode-core/src/channels/channelService.ts	83.33% <0%> (-2.39%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 504d1d7...9d247b8. Read the comment docs.