chore(GNSS): add COLCON_IGNORE

[h-ohta]

Description

Related Links

https://tier4.atlassian.net/browse/AEAP-485

Tests performed

$ cd ~/pilot-auto.x1.eve/src/autoware

# geo_pose_conv
$ grep . -r -e geo_pos_conv --exclude-dir .git -l
...

# gnss_poser
$ grep . -r -e gnss_poser --exclude-dir .git -l
...

より、autoware_launchおよびaip_laucnher側で参照されていないことを確認

Effects on system behavior

Not applicable.

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[v-nojiri7841-esol]

使用箇所がないことを確認いたしました。

以下のPRが先行してMerge済みであり、元々存在していた使用箇所は無くなっていることを確認済み。
https://github.com/tier4/aip_launcher.x1.eve/pull/20/files