Remove one-off fix-size-check workflow (#51960)

John D. Swanson created

## Context

Cleanup of the one-off workflow added in #51958. Both affected PRs
(#51897, #50372) now have passing checks and correct size labels.

## How to Review

- Single file deletion: `.github/workflows/fix-size-check.yml`

## Self-Review Checklist

- [x] I've reviewed my own diff for quality, security, and reliability
- [x] Unsafe blocks (if any) have justifying comments
- [x] The content is consistent with the [UI/UX
checklist](https://github.com/zed-industries/zed/blob/main/CONTRIBUTING.md#uiux-checklist)
- [x] Tests cover the new/changed behavior
- [x] Performance impact has been considered and is acceptable

Release Notes:

- N/A

Change summary

.github/workflows/fix-size-check.yml | 131 ------------------------------
1 file changed, 131 deletions(-)

Detailed changes

.github/workflows/fix-size-check.yml 🔗

@@ -1,131 +0,0 @@
-# One-off: retroactively apply size labels and check runs to PRs
-# that failed due to the permissions ceiling bug. Delete after use.
-name: Fix Size Check (one-off)
-
-on:
-  workflow_dispatch:
-    inputs:
-      pr_numbers:
-        description: "Comma-separated PR numbers"
-        required: true
-        type: string
-
-permissions:
-  contents: read
-  checks: write
-  pull-requests: write
-  issues: write
-
-jobs:
-  fix:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Apply size labels and check runs
-        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
-        with:
-          script: |
-            const prNumbers = context.payload.inputs.pr_numbers
-              .split(',')
-              .map(n => parseInt(n.trim()))
-              .filter(n => !isNaN(n));
-
-            const IGNORED_PATTERNS = [
-              /\.lock$/,
-              /^Cargo\.lock$/,
-              /pnpm-lock\.yaml$/,
-              /\.generated\./,
-              /\/fixtures\//,
-              /\/snapshots\//,
-            ];
-
-            const SIZE_BRACKETS = [
-              ['size/S',  0,       100,  '0e8a16'],
-              ['size/M',  100,     400,  'fbca04'],
-              ['size/L',  400,     800,  'e99695'],
-              ['size/XL', 800, Infinity, 'b60205'],
-            ];
-
-            for (const prNumber of prNumbers) {
-              console.log(`Processing PR #${prNumber}...`);
-
-              const { data: pr } = await github.rest.pulls.get({
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-                pull_number: prNumber,
-              });
-
-              const { data: files } = await github.rest.pulls.listFiles({
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-                pull_number: prNumber,
-                per_page: 300,
-              });
-
-              let totalChanges = 0;
-              for (const file of files) {
-                const ignored = IGNORED_PATTERNS.some(p => p.test(file.filename));
-                if (!ignored) {
-                  totalChanges += file.additions + file.deletions;
-                }
-              }
-
-              let sizeLabel = 'size/S';
-              let labelColor = '0e8a16';
-              for (const [label, min, max, color] of SIZE_BRACKETS) {
-                if (totalChanges >= min && totalChanges < max) {
-                  sizeLabel = label;
-                  labelColor = color;
-                  break;
-                }
-              }
-
-              // Ensure label exists
-              try {
-                await github.rest.issues.createLabel({
-                  owner: context.repo.owner,
-                  repo: context.repo.repo,
-                  name: sizeLabel,
-                  color: labelColor,
-                });
-              } catch (e) {
-                if (e.status !== 422) throw e;
-              }
-
-              // Remove old size labels, add correct one
-              const existingLabels = (await github.rest.issues.listLabelsOnIssue({
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-                issue_number: prNumber,
-              })).data.map(l => l.name);
-
-              for (const label of existingLabels.filter(l => l.startsWith('size/'))) {
-                await github.rest.issues.removeLabel({
-                  owner: context.repo.owner,
-                  repo: context.repo.repo,
-                  issue_number: prNumber,
-                  name: label,
-                });
-              }
-
-              await github.rest.issues.addLabels({
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-                issue_number: prNumber,
-                labels: [sizeLabel],
-              });
-
-              // Create passing check run
-              await github.rest.checks.create({
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-                name: 'check-size',
-                head_sha: pr.head.sha,
-                conclusion: 'success',
-                output: {
-                  title: `PR Size: ${totalChanges} LOC (${sizeLabel})`,
-                  summary: `Retroactively applied by fix-size-check workflow.`,
-                },
-              });
-
-              console.log(`PR #${prNumber}: ${totalChanges} LOC, labeled ${sizeLabel}, check posted`);
-            }