docs(parser): remove old FAQ as perf is a moving target now

Author: heitorlessa

docs/utilities/parser.md

@@ -540,55 +540,3 @@ If what you're trying to use isn't available as part of the high level import sy
 ```python title="Pydantic import escape hatch"
 from aws_lambda_powertools.utilities.parser.pydantic import <what you'd like to import'>
 ```
-
-**What is the cold start impact in bringing this additional dependency?**
-
-No significant cold start impact. It does increase the final uncompressed package by **71M**, when you bring the additional dependency that parser requires.
-
-Artillery load test sample against a [hello world sample](https://github.com/aws-samples/cookiecutter-aws-sam-python) using Tracer, Metrics, and Logger with and without parser.
-
-**No parser**
-
-???+ info
-    **Uncompressed package size**: 55M, **p99**: 180.3ms
-
-```javascript
-Summary report @ 14:36:07(+0200) 2020-10-23
-Scenarios launched:  10
-Scenarios completed: 10
-Requests completed:  2000
-Mean response/sec: 114.81
-Response time (msec):
-    min: 54.9
-    max: 1684.9
-    median: 68
-    p95: 109.1
-    p99: 180.3
-Scenario counts:
-    0: 10 (100%)
-Codes:
-    200: 2000
-```
-
-**With parser**
-
-???+ info
-    **Uncompressed package size**: 128M, **p99**: 193.1ms
-
-```javascript
-Summary report @ 14:29:23(+0200) 2020-10-23
-Scenarios launched:  10
-Scenarios completed: 10
-Requests completed:  2000
-Mean response/sec: 111.67
-Response time (msec):
-    min: 54.3
-    max: 1887.2
-    median: 66.1
-    p95: 113.3
-    p99: 193.1
-Scenario counts:
-    0: 10 (100%)
-Codes:
-    200: 2000
-```