Fix use of 'sysroot' variable in harfbuzz.gyp

third_party/harfbuzz-ng/harfbuzz.gyp

Index: third_party/harfbuzz-ng/harfbuzz.gyp
diff --git a/third_party/harfbuzz-ng/harfbuzz.gyp b/third_party/harfbuzz-ng/harfbuzz.gyp
index cd58e641a6f117978d2465065103dd4c6fe2e88b..f381e743f9893966730b5196605ef7e1a29b114e 100644
--- a/third_party/harfbuzz-ng/harfbuzz.gyp
+++ b/third_party/harfbuzz-ng/harfbuzz.gyp
@@ -7,18 +7,6 @@
     '../../build/win_precompile.gypi',
   ],
   'variables': {
-    'variables': {
-      'conditions': [
-        ['sysroot!=""', {
-          'pkg-config': '<(chroot_cmd) ../../build/linux/pkg-config-wrapper "<(sysroot)" "<(target_arch)" "<(system_libdir)"',
-        }, {
-          'pkg-config': 'pkg-config'
-        }],
-      ],
-    },
-
-    'pkg-config': '<(pkg-config)',
-
     'conditions': [
       ['OS=="linux" and (buildtype!="Official" or chromeos==1) and embedded==0', {
         # Since version 1.31.0, pangoft2 which we depend on pulls in harfbuzz
@@ -30,12 +18,6 @@
       }, {
         'use_system_harfbuzz': 0,
       }],
-      ['OS=="linux" and target_arch=="arm" and chromeos==0', {
-        # Override use_system_harfbuzz for ARM cross compiling so system
-        # harfbuzz is not used because the corresponding package is not
-        # available.
-        'use_system_harfbuzz': 0,
-      }],
     ],
   },
   'conditions': [