Remove the vendored file and reference the official googleapis proto … #133

Job	Run time
build / Build (17)	1m 25s
build / Build (11)	1m 28s
build / Build (8)	1m 23s
Tests (Previous LTS) / load_configuration / load	3s
Tests (Previous LTS) / Secure (Streams)	1m 58s
Tests (Previous LTS) / Secure (PersistentSubscriptions)	2m 10s
Tests (Previous LTS) / Single node (Telemetry)	1m 41s
Tests (Previous LTS) / Single node (PersistentSubscriptions)	1m 58s
Tests (Previous LTS) / Cluster (Streams)	1m 47s
Tests (Previous LTS) / Single node (MultiStreamAppend)	1m 42s
Tests (Previous LTS) / Single node (Streams)	1m 54s
Tests (Previous LTS) / Cluster (MultiStreamAppend)	1m 46s
Tests (Previous LTS) / Cluster (PersistentSubscriptions)	2m 18s
	21m 33s

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