Remove Eclipse specific files

[elharo]

Anyone using Eclipse can import the project directly with the new project wizard. In general we don't want to maintain files for one specific IDE. We've already ignored various IntelliJ files.

Part of cleaning out references to the tools directory so we can delete a lot of that.

[Copilot]

Pull request overview

Removes Eclipse IDE metadata from the repository to avoid maintaining project files for a single IDE and to reduce references to the tools/ directory.

Changes:

• Add .classpath to .gitignore to prevent it from being reintroduced.
• Delete the tracked .classpath Eclipse classpath file (which referenced JARs under tools/).

Reviewed changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated no comments.

File	Description
.gitignore	Ignores Eclipse .classpath going forward.
.classpath	Removes Eclipse classpath configuration from version control.

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[garydgregory]

LGTM. Might need to add .settings as well.

[elharo]

LGTM. Might need to add .settings as well.

I don't think that's in the repo. Possibly that was already removed if it was ever here.

[elharo]

LGTM. Might need to add .settings as well.

I don't think that's in the repo. Possibly that was already removed if it was ever here.

Oh, you want it added to .gitignore. That makes sense.