Revert "Fix Gradle lockfiles." (flutter#137198)

Reverts flutter#137190

Author: QuncCccccc

dev/a11y_assessments/android/build.gradle

@@ -2,10 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// This file is auto generated.
-// To update all the build.gradle files in the Flutter repo,
-// See dev/tools/bin/generate_gradle_lockfiles.dart.
-
 buildscript {
     ext.kotlin_version = '1.7.10'
     repositories {
@@ -17,10 +13,6 @@ buildscript {
         classpath 'com.android.tools.build:gradle:7.3.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
-
-    configurations.classpath {
-        resolutionStrategy.activateDependencyLocking()
-    }
 }
 
 allprojects {
@@ -31,19 +23,11 @@ allprojects {
 }
 
 rootProject.buildDir = '../build'
-
 subprojects {
     project.buildDir = "${rootProject.buildDir}/${project.name}"
 }
 subprojects {
     project.evaluationDependsOn(':app')
-    dependencyLocking {
-        ignoredDependencies.add('io.flutter:*')
-        lockFile = file("${rootProject.projectDir}/project-${project.name}.lockfile")
-        if (!project.hasProperty('local-engine-repo')) {
-          lockAllConfigurations()
-        }
-    }
 }
 
 tasks.register("clean", Delete) {