Remove unclickable buildScan link from failure

Build scan links will be rendered in GHA Job Summary.

src/cache-base.ts

@@ -264,16 +264,12 @@ if (isTopLevelBuild) {
 
 def registerCallbacks(buildScanExtension, rootProjectName) {
     buildScanExtension.with {
-        def scanFile = new File("gradle-build-scan.txt")
         def buildFailed = false
-
         buildFinished { result ->
             buildFailed = (result.failure != null)
         }
 
         buildScanPublished { buildScan ->
-            scanFile.text = buildScan.buildScanUri
-
             // Send commands directly to GitHub Actions via STDOUT.
             def gradleCommand = rootProjectName + " " + gradle.startParameter.taskNames.join(" ")
             if (buildFailed) {

src/execution.ts

@@ -1,17 +1,9 @@
 import * as core from '@actions/core'
 import * as exec from '@actions/exec'
 import fs from 'fs'
-import path from 'path'
 import * as gradlew from './gradlew'
 
 export async function executeGradleBuild(executable: string | undefined, root: string, args: string[]): Promise<void> {
-    let buildScanUrl: string | undefined
-
-    const buildScanFile = path.resolve(root, 'gradle-build-scan.txt')
-    if (fs.existsSync(buildScanFile)) {
-        fs.unlinkSync(buildScanFile)
-    }
-
     // Use the provided executable, or look for a Gradle wrapper script to run
     const toExecute = executable ?? gradlew.locateGradleWrapperScript(root)
     verifyIsExecutableScript(toExecute)
@@ -20,16 +12,8 @@ export async function executeGradleBuild(executable: string | undefined, root: s
         ignoreReturnCode: true
     })
 
-    if (fs.existsSync(buildScanFile)) {
-        buildScanUrl = fs.readFileSync(buildScanFile, 'utf-8')
-    }
-
     if (status !== 0) {
-        if (buildScanUrl) {
-            core.setFailed(`Gradle build failed: ${buildScanUrl}`)
-        } else {
-            core.setFailed(`Gradle build failed: process exited with status ${status}`)
-        }
+        core.setFailed(`Gradle build failed: see console output for details`)
     }
 }