Remove finch flag for play installation.

chrome/browser/android/webapk/chrome_webapk_host.cc

Index: chrome/browser/android/webapk/chrome_webapk_host.cc
diff --git a/chrome/browser/android/webapk/chrome_webapk_host.cc b/chrome/browser/android/webapk/chrome_webapk_host.cc
index f7653c4e65b8d1340b3cacdde5b8721718ce5eb2..c5a87d47c4f380a47e56831dbd807af7a8befde7 100644
--- a/chrome/browser/android/webapk/chrome_webapk_host.cc
+++ b/chrome/browser/android/webapk/chrome_webapk_host.cc
@@ -10,9 +10,6 @@
 
 namespace {
 
-// Variations flag to enable installing WebAPKs using Google Play.
-const char* kPlayInstall = "play_install";
-
 // Variations flag to enable launching Chrome renderer in WebAPK process.
 const char* kLaunchRendererInWebApkProcess =
     "launch_renderer_in_webapk_process";
@@ -38,14 +35,6 @@ GooglePlayInstallState ChromeWebApkHost::GetGooglePlayInstallState() {
 }
 
 // static
-jboolean CanUseGooglePlayToInstallWebApk(
-    JNIEnv* env,
-    const base::android::JavaParamRef<jclass>& clazz) {
-  return variations::GetVariationParamValueByFeature(
-             chrome::android::kImprovedA2HS, kPlayInstall) == "true";
-}
-
-// static
 jboolean CanLaunchRendererInWebApkProcess(
     JNIEnv* env,
     const base::android::JavaParamRef<jclass>& clazz) {