Remove localhost:3000 from Keycloak redirect URIs and web origins

- Removed localhost:3000/* from redirectUris in realm-export.json
- Removed localhost:3000 from webOrigins in realm-export.json
- Removed localhost:3000/* from post.logout.redirect.uris
- Removed localhost:3000 from keycloak-realm-import-configmap.yaml
- Updated running Keycloak instance via kcadm.sh

Only port 30080 is now configured for OAuth redirects.

infra/keycloak/realm-export.json

@@ -82,18 +82,18 @@
       "standardFlowEnabled": true,
       "implicitFlowEnabled": false,
       "directAccessGrantsEnabled": true,
-      "serviceAccountsEnabled": false,
-      "authorizationServicesEnabled": false,
-      "protocol": "openid-connect",
-      "redirectUris": [
-        "http://localhost:3000/*"
-      ],
-      "webOrigins": [
-        "http://localhost:3000"
-      ],
-      "attributes": {
-        "pkce.code.challenge.method": "S256",
-        "post.logout.redirect.uris": "http://localhost:3000/*",
+"serviceAccountsEnabled": false,
+    "authorizationServicesEnabled": false,
+    "protocol": "openid-connect",
+    "redirectUris": [
+      "http://localhost:30080/*"
+    ],
+    "webOrigins": [
+      "http://localhost:30080"
+    ],
+    "attributes": {
+      "pkce.code.challenge.method": "S256",
+      "post.logout.redirect.uris": "http://localhost:30080/*",
         "access.token.lifespan": "3600"
       },
       "protocolMappers": [