remove redundant/removed adoptions

Signed-off-by: Trishank Karthik Kuppusamy <[email protected]>

Author: trishankatdatadog

data/adoptions.yaml

@@ -3,15 +3,10 @@ main:
   tag: AGL
 - url: https://www.airbiquity.com/news/press-releases/airbiquity-unveils-new-otamatictm-release-further-strengthening-over-air-ota-software-and-data-management-offering-automotive
   tag: Airbiquity
-- url: https://docs.microsoft.com/en-us/azure/container-registry/container-registry-content-trust
-  tag: Azure
-  img_type: jpg
 - url: https://github.com/bottlerocket-os/bottlerocket/tree/develop/sources/updater
   tag: Bottlerocket
 - url: https://github.com/cnabio/cnab-spec/blob/cnab-security-1.0.0-ga/300-CNAB-security.md
   tag: CNAB
-- url: https://github.com/cloudflare/pal/blob/ecb461aff9bef9c6300f463955aa25931e4c765f/glide.yaml#L100-L114
-  tag: Cloudflare
 - url: https://www.datadoghq.com/blog/engineering/secure-publication-of-datadog-agent-integrations-with-tuf-and-in-toto
   tag: Datadog
 - url: https://flynn.io/docs/development#the-update-framework-%28tuf%29
@@ -22,17 +17,10 @@ main:
   tag: HERE
 - url: https://goharbor.io/docs/2.0.0/working-with-projects/project-configuration/implementing-content-trust/
   tag: Harbor
-- url: https://console.bluemix.net/docs/services/Registry/registry_trusted_content.html#registry_trustedcontent
-  tag: IBM
-  img_type: jpg
 - url: https://github.com/kolide/updater
   tag: Kolide
-- url: https://leap.se/en/2014/darkest-night
-  tag: LEAP
 - url: https://github.com/theupdateframework/notary
   tag: Notary
-- url: https://www.youtube.com/watch?v=ofXHmfOTLyA
-  tag: Quay
 ongoing:
 - url: https://www.well-typed.com/blog/2015/04/improving-hackage-security
   tag: Haskell