Backout patch for #27827 for Linux build bustage

projects/tor-browser/Bundle-Data/Docs/ChangeLog.txt

@@ -21,7 +21,6 @@ Tor Browser 8.5a4 -- October 23 2018
    * Bug 28002: Fix the precomplete file in the en-US installer
  * OS X
    * Bug 26263: App icon positioned incorrectly in macOS DMG installer window
-   * Bug 27827: Fix snowflake reproducibility issues
    * Bug 26475: Fix Stylo related reproducibilitiy issue
  * Linux
    * Bug 26475: Fix Stylo related reproducibilitiy issue

rbm.conf

@@ -16,7 +16,7 @@ buildconf:
 
 var:
   torbrowser_version: '8.5a4'
-  torbrowser_build: 'build1'
+  torbrowser_build: 'build2'
   torbrowser_incremental_from:
     - 8.5a3
   project_name: tor-browser