fixup! TB3: Tor Browser's official .mozconfigs.

Part of Bug 20497.

Start using the correct macOS relative data directory, instead of
creating it with code, when possible.

browser/config/mozconfigs/base-browser

@@ -41,5 +41,3 @@ ac_add_options MOZ_TELEMETRY_REPORTING=
 if test -z "$WASI_SYSROOT"; then
     ac_add_options --without-wasm-sandboxed-libraries
 fi
-
-ac_add_options --with-relative-data-dir=BaseBrowser/Data/Browser

mozconfig-macos-x86_64

@@ -5,4 +5,5 @@ ac_add_options --enable-strip
 # See bug #41131
 ac_add_options --disable-update-agent
 
+ac_add_options --with-relative-data-dir=../TorBrowser-Data/Browser
 ac_add_options --enable-tor-browser-data-outside-app-dir