Remove stickyfilljs JavaScript dependency

[MauricioFauth]

This polyfill is not needed anymore.

• https://github.com/wilddeer/stickyfill
• https://caniuse.com/?search=position%3Asticky

[codecov]

Codecov Report

Merging #17499 (54df014) into QA_5_2 (04f3f5a) will increase coverage by 0.03%.
The diff coverage is 14.28%.

@@             Coverage Diff              @@
##             QA_5_2   #17499      +/-   ##
============================================
+ Coverage     49.32%   49.36%   +0.03%     
  Complexity    16694    16694              
============================================
  Files           602      602              
  Lines         59756    59732      -24     
============================================
+ Hits          29477    29488      +11     
+ Misses        30279    30244      -35     

Flag	Coverage Δ
dbase-extension	49.15% <14.28%> (+0.02%)	⬆️
recode-extension	47.89% <14.28%> (+0.01%)	⬆️
unit-7.2-ubuntu-latest	48.00% <14.28%> (+0.07%)	⬆️
unit-7.3-ubuntu-latest	50.34% <14.28%> (+1.23%)	⬆️
unit-7.4-ubuntu-latest	49.13% <14.28%> (+0.01%)	⬆️
unit-8.0-ubuntu-latest	49.23% <14.28%> (-0.01%)	⬇️
unit-8.1-ubuntu-latest	49.28% <14.28%> (+0.03%)	⬆️

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

Impacted Files	Coverage Δ
.../classes/Controllers/Database/SearchController.php	0.00% <0.00%> (ø)
...ies/classes/Controllers/Database/SqlController.php	0.00% <0.00%> (ø)
...aries/classes/Controllers/Server/SqlController.php	0.00% <0.00%> (ø)
...ibraries/classes/Controllers/Sql/SqlController.php	0.00% <ø> (ø)
...ies/classes/Controllers/Table/ChangeController.php	0.00% <ø> (ø)
...ies/classes/Controllers/Table/SearchController.php	32.71% <ø> (ø)
...raries/classes/Controllers/Table/SqlController.php	0.00% <0.00%> (ø)
...classes/Controllers/Table/ZoomSearchController.php	0.00% <ø> (ø)
libraries/classes/Display/Results.php	60.62% <0.00%> (ø)
libraries/classes/Sql.php	47.05% <ø> (-0.01%)	⬇️
... and 8 more

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