tools: remove V3_RESTRICTED_PATHS from validate_structure.py. (#11145)
tools: remove V3_RESTRICTED_PATHS from validate_structure.py. (#11145)

Legacy artifact from v3alpha -> v3.

Signed-off-by: Harvey Tuch <c185081708e02336640916420d0c772668570de5@google.com>
lyft/envoy,envoyproxy/envoy,envoyproxy/envoy-wasm,lizan/envoy,envoyproxy/envoy-wasm,lizan/envoy,lizan/envoy,lizan/envoy,envoyproxy/envoy,lyft/envoy,envoyproxy/envoy,envoyproxy/envoy-wasm,lyft/envoy,envoyproxy/envoy,envoyproxy/envoy,lyft/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy-wasm,envoyproxy/envoy,envoyproxy/envoy-wasm,envoyproxy/envoy,lyft/envoy,lizan/envoy,lyft/envoy,envoyproxy/envoy,envoyproxy/envoy-wasm,envoyproxy/envoy,lizan/envoy,envoyproxy/envoy-wasm,envoyproxy/envoy