Remove "generic" from sample package types

[asafgabai]

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• The code has been validated to compile successfully by running go vet ./....
• The code has been formatted properly using go fmt ./....
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• All tests have passed. If this feature is not already covered by the tests, new tests have been added.
• All E2E tests have passed.
• All changes are detailed at the description.

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[github-actions]

Test Results

52 tests  ±0   51 ✅ ±0   4m 58s ⏱️ - 1m 4s
 2 suites ±0    1 💤 ±0 
 1 files   ±0    0 ❌ ±0 

Results for commit b0c3b63. ± Comparison against base commit 1d46cc7.

♻️ This comment has been updated with latest results.