chore: Removed installer / uninstaller telemetry from firefox, b=(bug #7000), c=no-component

src/browser/app/profile/zen-browser.js

@@ -326,10 +326,8 @@ pref('browser.preferences.experimental', true);
 // Prefetching:
 pref("network.dns.disablePrefetch", false);
 pref("network.prefetch-next", true);
-pref("network.predictor.enabled", true);
 pref("network.dns.disablePrefetchFromHTTPS", false);
 pref("network.predictor.enable-hover-on-ssl", true);
-pref("network.http.speculative-parallel-limit", 10);
 pref("network.http.rcwn.enabled", false);
 
 // Disable Firefox's revamp
@@ -389,9 +387,9 @@ pref("browser.urlbar.trimHttps", true);
 pref("browser.search.separatePrivateDefault.ui.enabled", true);
 pref("browser.urlbar.update2.engineAliasRefresh", true);
 pref("browser.search.suggest.enabled", false);
-pref("browser.urlbar.quicksuggest.enabled", false);
-pref("browser.urlbar.suggest.quicksuggest.sponsored", false);
-pref("browser.urlbar.suggest.quicksuggest.nonsponsored", false);
+pref("browser.urlbar.quicksuggest.enabled", false, locked);
+pref("browser.urlbar.suggest.quicksuggest.sponsored", false, locked);
+pref("browser.urlbar.suggest.quicksuggest.nonsponsored", false, locked);
 pref("browser.urlbar.groupLabels.enabled", false);
 pref("browser.urlbar.keepPanelOpenDuringImeComposition", true); // IMPORTANT: Fixes closing the urlbar when on some languages
 pref("browser.formfill.enable", false);

src/browser/installer/windows/nsis/installer-nsi.patch

@@ -0,0 +1,20 @@
+diff --git a/browser/installer/windows/nsis/installer.nsi b/browser/installer/windows/nsis/installer.nsi
+index 491bcbbd8430410fa930e7b52491ea62f2c48bbc..905f46d711f94398c9b1c20d6387cd76fcdf4aa9 100755
+--- a/browser/installer/windows/nsis/installer.nsi
++++ b/browser/installer/windows/nsis/installer.nsi
+@@ -836,9 +836,6 @@ Section "-InstallEndCleanup"
+ 
+   ; When we're using the GUI, .onGUIEnd sends the ping, but of course that isn't
+   ; invoked when we're running silently.
+-  ${If} ${Silent}
+-    Call SendPing
+-  ${EndIf}
+ SectionEnd
+ 
+ ################################################################################
+@@ -1965,5 +1962,4 @@ FunctionEnd
+ 
+ Function .onGUIEnd
+   ${OnEndCommon}
+-  Call SendPing
+ FunctionEnd

src/browser/installer/windows/nsis/uninstaller-nsi.patch

@@ -1,7 +1,7 @@
 diff --git a/browser/installer/windows/nsis/uninstaller.nsi b/browser/installer/windows/nsis/uninstaller.nsi
 old mode 100755
 new mode 100644
-index 559c8b46ee06bc42c91da49b5d9e397fe8ff6126..62094a5d98712a41a607ba01ca2adfa1e4f51ccd
+index 559c8b46ee06bc42c91da49b5d9e397fe8ff6126..2920621824af171588b1cd38ac8b2329fbdb6e25
 --- a/browser/installer/windows/nsis/uninstaller.nsi
 +++ b/browser/installer/windows/nsis/uninstaller.nsi
 @@ -507,6 +507,7 @@ Section "Uninstall"
@@ -12,3 +12,16 @@ index 559c8b46ee06bc42c91da49b5d9e397fe8ff6126..62094a5d98712a41a607ba01ca2adfa1
  
    ${un.RegCleanFileHandler}  ".pdf"   "FirefoxPDF-$AppUserModelID"
  
+@@ -980,12 +981,6 @@ FunctionEnd
+ 
+ Function un.onUninstSuccess
+   ; Send a ping at un.onGUIEnd, to avoid freezing the GUI.
+-  StrCpy $ShouldSendPing "1"
+-
+-  ${If} ${Silent}
+-    ; If this is a silent uninstall then un.onGUIEnd doesn't run, so do it now.
+-    Call un.SendUninstallPing
+-  ${EndIf}
+ FunctionEnd
+ 
+ Function un.preFinish