ref(node): Remove unused @opentelemetry/instrumentation-http dependency

The SDK fully replaced this with its own `SentryHttpInstrumentation` and
`httpServerSpansIntegration`. The package had zero imports in production
source code and was shipping unnecessary bytes to users.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: nicohrubec

packages/node/package.json

@@ -68,7 +68,6 @@
     "@opentelemetry/api": "^1.9.1",
     "@opentelemetry/core": "^2.6.1",
     "@opentelemetry/instrumentation": "^0.214.0",
-    "@opentelemetry/instrumentation-http": "0.214.0",
     "@opentelemetry/sql-common": "^0.41.2",
     "@opentelemetry/instrumentation-pg": "0.66.0",
     "@opentelemetry/sdk-trace-base": "^2.6.1",