fix: remove repo that is 404ing now

satori-com/tcpkali is 404ing now

Signed-off-by: jmeridth <[email protected]>

Author: jmeridth

collections/load-testing/index.md

@@ -25,7 +25,6 @@ items:
  - rakyll/hey
  - RedisLabs/memtier_benchmark
  - rogerwelin/cassowary
- - satori-com/tcpkali
  - tsenart/vegeta
  - processone/tsung
  - wg/wrk