[Mac/GN] Fix all the //remoting Info.plist substitutions.

BUG=628686
R=nicholss@chromium.org,sergeyu@chromium.org

Review-Url: https://codereview.chromium.org/2169273002
Cr-Original-Commit-Position: refs/heads/master@{#407338}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: c311f11649393ec89cc92a1958ca92b2fd27d7f7

util/version.gni

@@ -17,15 +17,11 @@
 # all values we need at once.
 _version_dictionary_template = "full = \"@MAJOR@.@MINOR@.@BUILD@.@PATCH@\" " +
                                "major = \"@MAJOR@\" minor = \"@MINOR@\" " +
-                               "build = \"@BUILD@\" patch = \"@PATCH@\" " +
-                               "remoting = \"@REMOTING_PATCH\" "
+                               "build = \"@BUILD@\" patch = \"@PATCH@\" "
 
 # The file containing the Chrome version number.
 chrome_version_file = "//chrome/VERSION"
 
-# The file containing the Chromoting version number.
-remoting_version_file = "//remoting/VERSION"
-
 _result = exec_script("version.py",
                       [
                         "-f",
@@ -44,7 +40,6 @@ chrome_version_major = _result.major
 chrome_version_minor = _result.minor
 chrome_version_build = _result.build
 chrome_version_patch = _result.patch
-remoting_version_patch = _result.remoting
 
 if (is_mac) {
   _result = exec_script("version.py",