fixup! Base Browser's .mozconfigs.

Bug 41647: Clean up our {TOR,BASE}_BROWSER(_VERSION)? macros

Removed the --enable-base-browser flag and the BASE_BROWSER macro.

browser/config/mozconfigs/base-browser

@@ -36,8 +36,6 @@ ac_add_options --disable-system-policies
 # See bug #41131
 ac_add_options --disable-backgroundtasks
 
-ac_add_options --enable-base-browser
-
 # Disable telemetry
 ac_add_options MOZ_TELEMETRY_REPORTING=
 

browser/config/mozconfigs/base-browser-android

@@ -31,8 +31,6 @@ ac_add_options --disable-parental-controls
 ac_add_options --enable-proxy-bypass-protection
 ac_add_options --disable-system-policies
 
-ac_add_options --enable-base-browser
-
 # Disable telemetry
 ac_add_options MOZ_TELEMETRY_REPORTING=