Rename cdn server package to rpcserver

[244372610]

Signed-off-by: santong

Description

Related Issue

Motivation and Context

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation Update (if none of the other choices apply)

Checklist:

• Code compiles correctly.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov-commenter]

Codecov Report

Merging #554 (126a78f) into main (ec0632d) will increase coverage by 0.15%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #554      +/-   ##
==========================================
+ Coverage   39.42%   39.57%   +0.15%     
==========================================
  Files          86       86              
  Lines        6562     6562              
==========================================
+ Hits         2587     2597      +10     
+ Misses       3605     3594      -11     
- Partials      370      371       +1     

Flag	Coverage Δ
e2etests	∅ <ø> (∅)
unittests	39.57% <ø> (+0.15%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
cdnsystem/rpcserver/rpcserver.go	0.00% <ø> (ø)
client/daemon/peer/peertask_base.go	35.39% <0.00%> (+0.63%)	⬆️
client/daemon/peer/peertask_stream.go	57.49% <0.00%> (+2.43%)	⬆️