Remove per-DC deployment complete and rack QA failure notifications

These fire constantly at scale with thousands of racks, flooding the
notification panel with noise.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

packages/game-engine/src/systems/infrastructureSystem.ts

@@ -322,22 +322,8 @@ export function processInfrastructure(state: GameState): InfraTickResult {
 
         computeRacksOnline += racksJustOnlined;
 
-        if (racksFailedTesting > 0) {
-          const skuName = dc.rackSkuId ? RACK_SKU_CONFIGS[dc.rackSkuId].name : 'Unknown';
-          notifications.push({
-            title: 'Racks Failed Testing',
-            message: `${dc.name}: ${racksFailedTesting} ${skuName} rack${racksFailedTesting > 1 ? 's' : ''} failed QA — repair batch created.`,
-            type: 'warning',
-          });
-        }
 
-        if (racksJustOnlined > 0 && updatedCohorts.filter(c => c.stage !== 'repair').length === 0) {
+
-          notifications.push({
-            title: 'Deployment Complete',
-            message: `${dc.name}: all racks deployed and online!`,
-            type: 'success',
-          });
-        }
 
         // Production failures (statistical)
         if (computeRacksOnline > 0 && dc.rackSkuId) {