lineage: Drop Email

* It's been commented out since 18.1 shipped

Change-Id: I09973a95d5cb9c1244adbbdbe339fb79dad36e7f

snippets/lineage.xml

@@ -26,10 +26,8 @@
   <project path="packages/apps/AudioFX" name="LineageOS/android_packages_apps_AudioFX" />
   <project path="packages/apps/Backgrounds" name="LineageOS/android_packages_apps_Backgrounds" />
   <project path="packages/apps/Eleven" name="LineageOS/android_packages_apps_Eleven" />
-  <!--<project path="packages/apps/Email" name="LineageOS/android_packages_apps_Email" />-->
   <project path="packages/apps/Etar" name="LineageOS/android_packages_apps_Etar" />
   <project path="packages/apps/ExactCalculator" name="LineageOS/android_packages_apps_ExactCalculator" />
-  <!--<project path="packages/apps/Exchange" name="LineageOS/android_packages_apps_Exchange" />-->
   <project path="packages/apps/FMRadio" name="LineageOS/android_packages_apps_FMRadio" />
   <project path="packages/apps/FlipFlap" name="LineageOS/android_packages_apps_FlipFlap" />
   <project path="packages/apps/Jelly" name="LineageOS/android_packages_apps_Jelly" />
@@ -42,7 +40,6 @@
   <project path="packages/apps/SimpleDeviceConfig" name="LineageOS/android_packages_apps_SimpleDeviceConfig" />
   <project path="packages/apps/Snap" name="LineageOS/android_packages_apps_Snap" />
   <project path="packages/apps/Trebuchet" name="LineageOS/android_packages_apps_Trebuchet" />
-  <!--<project path="packages/apps/UnifiedEmail" name="LineageOS/android_packages_apps_UnifiedEmail" />-->
   <project path="packages/apps/Updater" name="LineageOS/android_packages_apps_Updater" />
   <project path="packages/overlays/Lineage" name="LineageOS/android_packages_overlays_Lineage" />
   <project path="packages/resources/devicesettings" name="LineageOS/android_packages_resources_devicesettings" />