Remove references to 'chrome_build_id'

These were an artifact of meeting licensing requirements in order
to find build artifacts for a deployed chrome.
As of https://codereview.chromium.org/1948503002/ the
code will be entirely open-source so this is unnecessary.
BUG=607207

Review-Url: https://codereview.chromium.org/1940153003
Cr-Original-Commit-Position: refs/heads/master@{#391535}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 9b4327b53bcdda11fabf73e5c1d791bcfeac98b2

common.gypi

@@ -4727,11 +4727,6 @@
     # Android-specific options; note that most are set above with Linux.
     ['OS=="android"', {
       'variables': {
-        # This is a unique identifier for a given build. It's used for
-        # identifying various build artifacts corresponding to a particular
-        # build of chrome (e.g. where to find archived symbols).
-        'chrome_build_id%': '',
-
         # Placing this variable here prevents from forking libvpx, used
         # by remoting.  Remoting is off, so it needn't built,
         # so forking it's deps seems like overkill.
@@ -4821,7 +4816,6 @@
             'defines': [
               'ANDROID',
               '__GNU_SOURCE=1',  # Necessary for clone()
-              'CHROME_BUILD_ID="<(chrome_build_id)"',
               # The NDK has these things, but doesn't define the constants
               # to say that it does. Define them here instead.
               'HAVE_SYS_UIO_H',

config/android/config.gni

@@ -73,11 +73,6 @@ if (is_android) {
     # The password for the keystore to use for signing builds.
     android_keystore_password = default_android_keystore_password
 
-    # This is a unique identifier for a given build. It's used for
-    # identifying various build artifacts corresponding to a particular build of
-    # chrome (e.g. where to find archived symbols).
-    android_chrome_build_id = "\"\""
-
     # Set to true to run findbugs on JAR targets.
     run_findbugs = false