fixup! Base Browser's .mozconfigs.

Do not specify --{enable,disable}-verify-mar in mozconfigs, as this
option does not exist anymore, and signed mars are enabled by default.

browser/config/mozconfigs/base-browser

@@ -14,9 +14,6 @@ export MOZILLA_OFFICIAL=1
 ac_add_options --enable-optimize
 ac_add_options --enable-rust-simd
 
-# Bug 13379: Sign our MAR files.
-ac_add_options --enable-verify-mar
-
 ac_add_options --enable-bundled-fonts
 
 # See bug #41587

browser/config/mozconfigs/base-browser-android

@@ -24,7 +24,6 @@ ac_add_options --disable-debug
 ac_add_options --disable-rust-debug
 
 ac_add_options --disable-updater
-ac_add_options --disable-verify-mar
 ac_add_options --disable-crashreporter
 ac_add_options --disable-webrtc
 ac_add_options --disable-parental-controls