fix: Clean up attributes for traces and metrics #18743

Job	Run time
windows	2m 38s
changes	3s
gapic-libraries-bom	18m 6s
lint	3m 19s
enforcer	19m 6s
bulk-filter	1m 0s
generation-config-check	1m 43s
split-units (sdk-platform-java, 8)	4m 12s
split-units (sdk-platform-java, 17)	4m 42s
split-units (sdk-platform-java, 25)	4m 14s
split-units (sdk-platform-java, 21)	4m 56s
split-units (sdk-platform-java, 11)	4m 47s
units (21)	32m 15s
units (8)	41m 41s
units (25)	34m 6s
units (11)	51m 18s
units (17)	33m 53s
	4h 21m 59s

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