Unify repeated Lettuce/Spring clients and remove JRediSearch

[sazzad16]

[codecov[bot]]

Codecov Report

Merging #2729 (eae8319) into master (900dabe) will increase coverage by 0.02%. The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2729      +/-   ##
==========================================
+ Coverage   81.87%   81.89%   +0.02%     
==========================================
  Files         180      180              
  Lines       29664    29664              
==========================================
+ Hits        24286    24292       +6     
+ Misses       5378     5372       -6     

Impacted Files	Coverage Δ
src/fork_gc.c	57.12% <0.00%> (+0.80%)	:arrow_up:

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[gkorland]

@sazzad16 I think since JRediSearch is deprecated we should remove it

[sazzad16]

@gkorland redis-om-spring is using JRediSearch at this moment. Perhaps we can wait for some time before removing it.

[gkorland]

@sazzad16 we should remove it so new users won't start new projects with JRediSearch