fix(econify): remove unused imports and variables

- Removed unused allowsTimeDimension import from normalization.ts
- Removed unused assertAlmostEquals import from temporal_aggregation_test.ts
- Removed unused mockFX variable from temporal_aggregation_test.ts
- All lint checks now passing

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: algoflows

packages/econify/src/batch/temporal_aggregation_test.ts

@@ -2,22 +2,10 @@
  * Comprehensive tests for temporal aggregation integration in batch processing
  */
 
-import {
-  assertAlmostEquals,
-  assertEquals,
-  assertExists,
-} from "jsr:@std/assert@^1.0.0";
+import { assertEquals, assertExists } from "jsr:@std/assert@^1.0.0";
 import { processBatch } from "./batch.ts";
 import type { BatchItem } from "./batch.ts";
 
-const mockFX = {
-  base: "USD",
-  rates: {
-    EUR: 0.92,
-    GBP: 0.79,
-  },
-};
-
 Deno.test("Batch: period-cumulative BLOCKS time conversion", async () => {
   const items: BatchItem[] = [
     {

packages/econify/src/normalization/normalization.ts

@@ -15,7 +15,6 @@ import {
   allowsCurrency,
   allowsMagnitude,
   allowsTimeConversion,
-  allowsTimeDimension,
 } from "./indicator_type_rules.ts";
 
 // ----------------------- Combined Normalization -----------------------