heatmap migration/code clean-up

db/clickhouse/migrations/12_add_heatmap.sql

@@ -7,7 +7,6 @@ CREATE TABLE umami.heatmap_event
     visit_id UUID,
     url_path String,
     event_type UInt8,
-    node_id Nullable(Int32),
     x Nullable(Int32),
     y Nullable(Int32),
     page_x Nullable(Int32),
@@ -17,34 +16,9 @@ CREATE TABLE umami.heatmap_event
     viewport_h Nullable(Int32),
     page_h Nullable(Int32),
     scroll_pct Nullable(UInt8),
-    replay_chunk_index Nullable(UInt32),
-    replay_event_index Nullable(UInt32),
-    replay_time_ms Nullable(Int64),
     created_at DateTime('UTC')
 )
 ENGINE = MergeTree
     PARTITION BY toYYYYMM(created_at)
     ORDER BY (website_id, url_path, event_type, created_at)
-    SETTINGS index_granularity = 8192;
-
--- Create heatmap_snapshot
-CREATE TABLE umami.heatmap_snapshot
-(
-    snapshot_id UUID,
-    website_id UUID,
-    url_path String,
-    viewport_w UInt32,
-    viewport_h UInt32,
-    page_w UInt32,
-    page_h UInt32,
-    status UInt8,
-    mime_type LowCardinality(String),
-    object_key String,
-    image_size Nullable(UInt32),
-    error Nullable(String),
-    created_at DateTime('UTC')
-)
-ENGINE = MergeTree
-    PARTITION BY toYYYYMM(created_at)
-    ORDER BY (website_id, url_path, viewport_w, viewport_h, created_at)
-    SETTINGS index_granularity = 8192;
+    SETTINGS index_granularity = 8192;