fix: remove unnecessary logs

[Thegaram]

Purpose or design rationale of this PR

• The same info is already included in the log on the line above.
• Log formatting is incorrect, leading to LOG15_ERROR= LOG15_ERROR="Normalized odd number of arguments by adding nil"

PR title

Your PR title must follow conventional commits (as we are doing squash merge for each PR), so it must start with one of the following types:

• fix: A bug fix

Deployment tag versioning

Has tag in common/version.go been updated or have you added bump-version label to this PR?

• No, this PR doesn't involve a new deployment, git tag, docker image tag
• Yes

Breaking change label

Does this PR have the breaking-change label?

• No, this PR is not a breaking change
• Yes

Summary by CodeRabbit

• Chores
  • Reduced debug log verbosity during pending batch processing, removing redundant messages to improve signal-to-noise in operational logs.
  • No functional or performance changes; behavior and error handling remain the same.
  • Operators will see cleaner logs, making monitoring and troubleshooting slightly easier.

[coderabbitai]

Walkthrough

Removed two debug log statements from the skip path of ProcessPendingBatches in rollup/internal/controller/relayer/l2_relayer.go, reducing log output without altering control flow or error handling.

Changes

Cohort / File(s)	Summary
Relayer controller rollup/internal/controller/relayer/l2_relayer.go	Removed two debug logs in ProcessPendingBatches' skip path (first batch index and backlog count). No logic changes.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• fix(relayer): ProcessPendingBatches #1661 — Also touches ProcessPendingBatches in the same file, adding an early-exit when no pending batches.

Suggested reviewers

• colinlyguo

Poem

A bunny trims the chatter, hop by hop,
Two logs plucked softly—tidy as a mop.
The queue still flows, no paths askew,
Less noise in fields of bytes anew.
Thump-thump: concise is carrot-true. 🥕🐇

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📥 Commits

Reviewing files that changed from the base of the PR and between 1f2b397 and 00724b8.

📒 Files selected for processing (1)

• rollup/internal/controller/relayer/l2_relayer.go (0 hunks)

💤 Files with no reviewable changes (1)

• rollup/internal/controller/relayer/l2_relayer.go

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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 37.48%. Comparing base (1f2b397) to head (00724b8).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1725   +/-   ##
========================================
  Coverage    37.48%   37.48%           
========================================
  Files          243      243           
  Lines        20449    20500   +51     
========================================
+ Hits          7665     7685   +20     
- Misses       11979    12006   +27     
- Partials       805      809    +4     

Flag	Coverage Δ
rollup	37.58% <ø> (+0.01%)	⬆️

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