Filter out Olytics' tracking from URLs

[fmarier]

Olytics uses the following query string parameters in URLs to track individual users:

• oly_anon_id
• oly_enc_id

Here's are some examples found in the wild:

• https://redmondmag.com/articles/2020/10/28/microsoft-privacy-platform-name-change.aspx?oly_enc_id=5335D7808612E8Z&m=1
• https://www.pcimag.com/articles/107610-megafarma-to-distribute-basf-monomers-in-mexico?oly_enc_id=6901B4579189I9A
• https://www.talentcanada.ca/statistics-on-covid-19-aid-provide-window-into-who-needed-help/?custnum&CUSTNUM%3B&title&%2AURLENCODE%28&TITLE%3B%29&utm_source&PUB_CODE%3B&utm_medium=email&utm_campaign&%2AURLENCODE%28%7B%7B%2AJobID%7D%7D%29&oly_enc_id=3681J7272256E9X
• https://www.canadiangrocer.com/page/8?oly_anon_id=F-59d896a7-3426-45f9-9fb2-a351621d6d85&oly_enc_id=2026A2642790J9W
• https://www.worktruckex.com/?oly_anon_id=59d896a7-3426-45f9-9fb2-a351621d6d85

[stephendonner]

Verified FIXED using the testplan from brave/brave-core#7651, on:

Brave	1.21.44 Chromium: 88.0.4324.146 (Official Build) beta (x86_64)
Revision	406dc88511162d6598242f2c709be1414a042fb0-refs/branch-heads/4324@{#2088}
OS	macOS Version 11.2 (Build 20D64)

1) Open `https://brave.com/?oly_anon_id=1234` and confirm that there is no `oly_anon_id parameter` in the URL bar.

2) Open `https://brave.com/?oly_enc_id=1234` and confirm that there is no `oly_enc_id` parameter in the URL bar.

---

Verification passed on

Brave	1.21.56 Chromium: 88.0.4324.152 (Official Build) dev (64-bit)
Revision	6579930fc53b4dc589c042bec9d0a3778326974d-refs/branch-heads/4324@{#2106}
OS	Ubuntu 18.04 LTS

Verified testplan from brave/brave-core#7651

Open `https://brave.com/?oly_anon_id=1234` and confirm that there is no `oly_anon_id parameter` in the URL bar.

Open `https://brave.com/?oly_enc_id=1234` and confirm that there is no `oly_enc_id` parameter in the URL bar.

Verified the examples from the description

---

Verified passed with

Brave	1.21.59 Chromium: 88.0.4324.182 (Official Build) beta (64-bit)
Revision	73ee5087001dcef33047c4ed650471b225dd8caf-refs/branch-heads/4324@{#2202}
OS	Windows 10 OS Version 1909 (Build 18363.1256)

Open `https://brave.com/?WickedID=1234` and confirm that there is no `WickedID` parameter in the URL bar.

Open `https://brave.com/?oly_anon_id=1234` and confirm that there is no `oly_anon_id` parameter in the URL bar.

Open `https://brave.com/?oly_enc_id=1234` and confirm that there is no `oly_enc_id` parameter in the URL bar.

Verified the examples from the description as well.

[srirambv]

Verification passed on OnePlus 6T with Android 10 running 1.21.69 x64 build

Verified links from test plan brave/brave-core/pull/7651

https://brave.com/?WickedID=1234	https://brave.com/?oly_anon_id=1234	https://brave.com/?oly_enc_id=1234

Links from issue description

---

Verification passed on Samsung Tab A with Android 10 running 1.21.69 x64 build

Verified links from test plan brave/brave-core/pull/7651

https://brave.com/?WickedID=1234	https://brave.com/?oly_anon_id=1234	https://brave.com/?oly_enc_id=1234

Links from issue description