fix: Cherry-Pick Enable HIP-904 System Contracts configuration

[stoyanov-st]

Description:

This cherry pick PR enables to configuration flags for Airdrops via system contract and removes the current overrides

Related issue(s):

Fixes #16535

Notes for reviewer:

Checklist

• Documented (Code comments, README, etc.)
• Tested (unit, integration, etc.)

[github-actions]

Node: HAPI Test (Restart) Results

9 files  1 errors  8 suites   7m 3s ⏱️
7 tests 7 ✅ 0 💤 0 ❌
8 runs  8 ✅ 0 💤 0 ❌

For more details on these parsing errors, see this check.

Results for commit fcb9ee6.

♻️ This comment has been updated with latest results.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 58.39%. Comparing base (d749d61) to head (fcb9ee6).
Report is 3 commits behind head on release/0.56.

Additional details and impacted files

@@               Coverage Diff               @@
##             release/0.56   #16545   +/-   ##
===============================================
  Coverage           58.39%   58.39%           
  Complexity          19999    19999           
===============================================
  Files                2737     2737           
  Lines              100418   100418           
  Branches            10371    10371           
===============================================
  Hits                58640    58640           
  Misses              38147    38147           
  Partials             3631     3631           

Files with missing lines	Coverage Δ
...a/com/hedera/node/config/data/ContractsConfig.java	100.00% <ø> (ø)

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ +0.00% (target: -1.00%)	✅ ∅

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (d749d61)	100235	62134	61.99%
Head commit (fcb9ee6)	100235 (+0)	62134 (+0)	61.99% (+0.00%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#16545)	0	0	∅ (not applicable)

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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