Temporarily disable git cache for all platforms (for PR builder)

Jenkinsfile

@@ -64,7 +64,7 @@ pipeline {
  }
  agent { label "android-ci" }
  environment {
- GIT_CACHE_PATH = "${HOME}/cache"
+ // GIT_CACHE_PATH = "${HOME}/cache"
  QA_CODE = credentials("android-browser-qa-code")
  KEYSTORE_NAME = "linkbubble"
  KEYSTORE_PATH = credentials("android-browser-sign-key-store")
@@ -161,9 +161,9 @@ pipeline {
  expression { !SKIP_IOS }
  }
  agent { label "mac-ci" }
- environment {
- GIT_CACHE_PATH = "${HOME}/cache"
- }
+ // environment {
+ //  GIT_CACHE_PATH = "${HOME}/cache"
+ // }
  stages {
  stage("checkout") {
  steps {
@@ -256,9 +256,9 @@ pipeline {
  expression { !SKIP_LINUX }
  }
  agent { label "linux-ci" }
- environment {
- GIT_CACHE_PATH = "${HOME}/cache"
- }
+ // environment {
+ //  GIT_CACHE_PATH = "${HOME}/cache"
+ // }
  stages {
  stage("checkout") {
  steps {
@@ -385,7 +385,7 @@ pipeline {
  }
  agent { label "mac-ci" }
  environment {
- GIT_CACHE_PATH = "${HOME}/cache"
+ // GIT_CACHE_PATH = "${HOME}/cache"
  KEYCHAIN = "signing-ci"
  KEYCHAIN_PATH = "/Users/jenkins/Library/Keychains/${KEYCHAIN}.keychain-db"
  KEYCHAIN_PASS = credentials("mac-ci-signing-keychain-password")
@@ -551,7 +551,7 @@ pipeline {
  }
  }
  environment {
- GIT_CACHE_PATH = "C:\\Users\\Administrator\\cache"
+ // GIT_CACHE_PATH = "C:\\Users\\Administrator\\cache"
  PATH = "C:\\Program Files (x86)\\Windows Kits\\10\\bin\\10.0.18362.0\\x64\\;C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\Community\\Common7\\IDE\\Remote Debugger\\x64;${PATH}"
  SIGNTOOL_ARGS = "sign /t http://timestamp.digicert.com /fd sha256 /sm"
  CERT = "Brave"
@@ -913,8 +913,9 @@ def pinWindows() {
 }
 
 def install() {
+ // TODO(bsclifton): re-add below line to `sh` when git cache is sorted out
+ // rm -rf ${GIT_CACHE_PATH}/*.lock
  sh """
- rm -rf ${GIT_CACHE_PATH}/*.lock
  npm install --no-optional
  """
 }
@@ -977,8 +978,9 @@ def configWindows() {
 }
 
 def installWindows() {
+ // TODO(bsclifton): re-add below line to `powershell` when git cache is sorted out
+ // Remove-Item -Recurse -Force ${GIT_CACHE_PATH}/*.lock
  powershell """
- Remove-Item -Recurse -Force ${GIT_CACHE_PATH}/*.lock
  Get-ChildItem "Cert:\\LocalMachine\\My" | Remove-Item
  \$ErrorActionPreference = "Stop"
  npm install --no-optional