fix: clickhouse temporary files deletion happening twice

[achettyiitr]

Description

• Since we are already calling misc.RemoveFilePaths around LoadFileDownloader.Download, we don't need to call it again.

Security

• The code changed/added as part of this pull request won't create any security issues with how the software is being used.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.01%. Comparing base (72443b2) to head (44c9c92).
Report is 4 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5182      +/-   ##
==========================================
+ Coverage   72.91%   73.01%   +0.10%     
==========================================
  Files         439      439              
  Lines       51134    51131       -3     
==========================================
+ Hits        37282    37332      +50     
+ Misses      11390    11342      -48     
+ Partials     2462     2457       -5     

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