Revert of Enable side-by-side beta and dev channels.

chrome/test/mini_installer/config/chrome_beta_not_installed.prop

Index: chrome/test/mini_installer/config/chrome_beta_not_installed.prop
diff --git a/chrome/test/mini_installer/config/chrome_beta_not_installed.prop b/chrome/test/mini_installer/config/chrome_beta_not_installed.prop
deleted file mode 100644
index 302fe79010907f490b68b967a15c7de85c983c5d..0000000000000000000000000000000000000000
--- a/chrome/test/mini_installer/config/chrome_beta_not_installed.prop
+++ /dev/null
@@ -1,19 +0,0 @@
-{
-  "Condition": "'$BRAND' == 'Google Chrome'",
-  "Files": {
-    "$LOCAL_APPDATA\\$CHROME_DIR_BETA\\Application": {
-      "exists": false
-    }
-  },
-  "RegistryEntries": {
-    "HKEY_CURRENT_USER\\$CHROME_UPDATE_REGISTRY_SUBKEY_BETA": {
-      "exists": "forbidden"
-    },
-    "HKEY_CURRENT_USER\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\$CHROME_LONG_NAME_BETA": {
-      "exists": "forbidden"
-    },
-    "HKEY_CURRENT_USER\\Software\\Classes\\$CHROME_SHORT_NAME_BETA$USER_SPECIFIC_REGISTRY_SUFFIX": {
-      "exists": "forbidden"
-    }
-  }
-}