chore: remove stale .github/copilot-instructions.md

[wisdommen]

What

Deletes .github/copilot-instructions.md.

Why

Last touched 2026-02-22. It had drifted far enough to be actively misleading — two of its examples do not compile against the current API:

It teaches	Reality
@ConfigEntity(path = "config/myconfig.yml")	The annotation only declares String value() (annotations/ConfigEntity.java:21). No path attribute → compile error.
class MyEntity extends AbstractDataEntity + getDataOperator(MyEntity.class)	AbstractDataEntity is @Deprecated(since = "6.2.0", forRemoval = true) (:26); getDataOperator is bounded <T extends BaseDataEntity<String>> (UltiToolsPlugin.java:370). Not a warning — a compile error.

Three further factual errors:

• Calls the project a "Minecraft Spigot plugin framework" — it is Paper-only; Adventure Component is used throughout and spigot-api is commented out in pom.xml.
• "Dependencies are copied to target/UltiTools/lib/ on package" — replaced by maven-shade; UltiTools/lib has zero occurrences in pom.xml.
• Javadoc output given as target/apidocs/ — actually target/site/apidocs/.

Why delete rather than rewrite

PROJECT.md is the maintained control card for coding agents and already covers the same ground correctly. Keeping a second, unowned copy is what produced this drift. Nothing in the repository references the removed file (verified with a case-insensitive search across all tracked paths).

Risk

None to the build. This file is documentation only and is not read by any workflow, plugin, or test.

🤖 Generated with Claude Code

https://claude.ai/code/session_01J9hmZrywjj8deHYraePCkZ

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[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

Results:
0 new issues

View in Codacy

🟢 Coverage ∅ diff coverage · +0.00% coverage variation

Metric	Results
Coverage variation	✅ +0.00% coverage variation (-1.00%)
Diff coverage	✅ ∅ diff coverage

View coverage diff in Codacy

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (bf40c0b)	10908	7221	66.20%
Head commit (82b852b)	10908 (+0)	7221 (+0)	66.20% (+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 (#175)	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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