refactor: remove unuse applicationContext

[liuzg-coder]

What is the purpose of the change

Brief changelog

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[AlbumenJ]

[liuzg-coder]

remove unused imports

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

100.0% Coverage
0.0% Duplication

[codecov-commenter]

Codecov Report

Merging #13285 (5186c69) into 3.3 (cd35ca8) will increase coverage by 0.01%.
Report is 3 commits behind head on 3.3.
The diff coverage is n/a.

@@             Coverage Diff              @@
##                3.3   #13285      +/-   ##
============================================
+ Coverage     67.95%   67.97%   +0.01%     
  Complexity        8        8              
============================================
  Files          1727     1727              
  Lines         71282    71279       -3     
  Branches      10292    10292              
============================================
+ Hits          48442    48453      +11     
+ Misses        18150    18118      -32     
- Partials       4690     4708      +18     

see 55 files with indirect coverage changes

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