Drop the dependency on Sentry

Our 147 nightlies are exceeding the Play Store threshold once again (tor-browser-build#41688 (closed))

I'm almost out of aces in my sleeve.

So, I was checking the APK and I found a couple of native libraries we don't care about: Sentry's SDK.

Archive:  tor-browser-qa-android-x86_64-tbb-nightly.2026.01.18.apk
Zip file size: 115723758 bytes, number of entries: 2131
-rw-r--r--  6.3 unx   706760 bx   240473 defN 26-Jan-12 17:08 lib/x86_64/libsentry.so
-rw-r--r--  6.3 unx    16384 bx     5390 defN 26-Jan-12 17:08 lib/x86_64/libsentry-android.so

It's 245863 bytes (after compression), out of the 250253 bytes we need for 147.