Remove vector extension that we are no longer using

Gemfile

@@ -55,9 +55,6 @@ gem "prometheus-client-mmap", "~> 1.1"
 gem "autotuner"
 gem "benchmark" # indirect dependency, being removed from Ruby 3.5 stdlib so here to quash warnings
 
-# AI
-gem "sqlite-vec", "0.1.7.alpha.2"
-
 group :development, :test do
   gem "debug"
   gem "bundler-audit", require: false

Gemfile.lock

@@ -508,10 +508,6 @@ GEM
       fugit (~> 1.11)
       railties (>= 7.1)
       thor (>= 1.3.1)
-    sqlite-vec (0.1.7.alpha.2-arm64-darwin)
-    sqlite-vec (0.1.7.alpha.2-arm64-linux)
-    sqlite-vec (0.1.7.alpha.2-x86_64-darwin)
-    sqlite-vec (0.1.7.alpha.2-x86_64-linux)
     sqlite3 (2.7.4)
       mini_portile2 (~> 2.8.0)
     sqlite3 (2.7.4-arm64-darwin)
@@ -646,7 +642,6 @@ DEPENDENCIES
   solid_cable (>= 3.0)
   solid_cache (~> 1.0)
   solid_queue (~> 1.2)
-  sqlite-vec (= 0.1.7.alpha.2)
   sqlite3 (>= 2.0)
   stimulus-rails
   thruster

config/database.yml

@@ -8,8 +8,6 @@ default: &default
   adapter: sqlite3
   pool: 50
   timeout: 5000
-  extensions:
-    - <%= SqliteVec.loadable_path %>
 
 development:
   primary:
@@ -54,8 +52,6 @@ production: &production
     adapter: beamer
     database: storage/tenants/<%= Rails.env %>/%{tenant}/db/main.sqlite3
     tenanted: true
-    extensions:
-      - <%= SqliteVec.loadable_path %>
   untenanted:
     <<: *default
     adapter: beamer