Revert "Add new glean-server library to define pings for server-side …

…Glean" (#726)

This reverts commit 0a68e4d.

repositories.yaml

@@ -21,19 +21,6 @@ libraries:
         branch: main
         dependency_name: glean-core
 
-  - library_name: glean-server
-    description: Modern cross-platform telemetry (server usage)
-    notification_emails:
-      - [email protected]
-    url: https://github.com/mozilla/glean_parser
-    metrics_files: []
-    ping_files:
-      - server-side-pings.yaml
-    variants:
-      - v1_name: glean-server
-        branch: main
-        dependency_name: glean-server
-
   - library_name: glean-android
     description: Modern cross-platform telemetry (Android-specific)
     notification_emails:
@@ -1368,8 +1355,7 @@ applications:
       - packages/fxa-shared/metrics/glean/fxa-backend-metrics.yaml
     ping_files:
       - packages/fxa-shared/metrics/glean/fxa-backend-pings.yaml
-    dependencies:
-      - glean-server
+    dependencies: []
     channels:
       - v1_name: accounts-backend
         app_id: accounts.backend
@@ -1475,8 +1461,7 @@ applications:
     metrics_files:
       - .glean/metrics.yaml
     ping_files: []
-    dependencies:
-      - glean-server
+    dependencies: []
     channels:
       - v1_name: moso-mastodon-backend
         app_id: moso.mastodon.backend