[BP-1.15][FLINK-26618] Fix pipeline.jars not aligned with remove-jar statement

[link3280]

What is the purpose of the change

Currently, remove jar statement doesn't remove the corresponding jars in pipeline.jars, which should be fixed.

Brief change log

Replacing session dependencies instead of merging them into the new dependencies in remove-jar statements.

Verifying this change

This change is a trivial rework / code cleanup without any test coverage.

Does this pull request potentially affect one of the following parts:

• Dependencies (does it add or upgrade a dependency): (yes / no)
• The public API, i.e., is any changed class annotated with @Public(Evolving): (yes / no)
• The serializers: (yes / no / don't know)
• The runtime per-record code paths (performance sensitive): (yes / no / don't know)
• Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: (yes / no / don't know)
• The S3 file system connector: (yes / no / don't know)

Documentation

• Does this pull request introduce a new feature? (yes / no)
• If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented)

[flinkbot]

CI report:

• 7edfad7 Azure: SUCCESS

Bot commands

The @flinkbot bot supports the following commands:

• @flinkbot run azure re-run the last Azure build

[link3280]

@flinkbot run azure

[leonardBang]

@link3280 You may also need rebase current branch to latest release-1.15 to avoid the failure case.

[link3280]

@leonardBang done