chore: remove precalculated race scores. Calculate race scores on every reload

db/migrate/20230807222503_drop_race_scores.rb

@@ -0,0 +1,18 @@
+class DropRaceScores < ActiveRecord::Migration[7.0]
+  def up
+    drop_table :race_scores
+  end
+
+  def down
+    create_table :race_scores do |t|
+      t.references :measure, null: false, foreign_key: true
+      t.references :school, null: false, foreign_key: true
+      t.references :academic_year, null: false, foreign_key: true
+      t.references :race, null: false, foreign_key: true
+      t.float :average
+      t.boolean :meets_student_threshold
+
+      t.timestamps
+    end
+  end
+end