feat: removing unused type in tickCount variable

[palbizu]

Description

Removing unused type in tickCount variable

Testing

Visual testing.

Checklist:

• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• Any dependent changes have been merged and published in downstream modules

Documentation

Make sure that you have documented corresponding changes in this repository or hypertrace docs repo if required.

[codecov]

Codecov Report

Merging #1048 (f13d109) into main (a362318) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main    #1048   +/-   ##
=======================================
  Coverage   85.07%   85.07%           
=======================================
  Files         822      822           
  Lines       16923    16923           
  Branches     2045     2045           
=======================================
  Hits        14398    14398           
  Misses       2494     2494           
  Partials       31       31           

Impacted Files	Coverage Δ
...rvability/src/shared/components/cartesian/chart.ts	100.00% <ø> (ø)
...red/components/cartesian/d3/axis/cartesian-axis.ts	80.70% <100.00%> (ø)

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[github-actions]

Unit Test Results

    4 files  ±0  263 suites  ±0   14m 57s ⏱️ -22s
947 tests ±0  947 ✔️ ±0  0 💤 ±0  0 ❌ ±0 
954 runs  ±0  954 ✔️ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 2863c9e. ± Comparison against base commit a362318.