Revert of Rework default GN symbol handling for win goma builds.

build/config/compiler/BUILD.gn

Index: build/config/compiler/BUILD.gn
diff --git a/build/config/compiler/BUILD.gn b/build/config/compiler/BUILD.gn
index 9b1f99cc2a676b80736926c46249b89a0e135261..d0daf4f3d7ccfb5853a859ea9d21e5620b938f2d 100644
--- a/build/config/compiler/BUILD.gn
+++ b/build/config/compiler/BUILD.gn
@@ -1508,8 +1508,14 @@
 config("symbols") {
   if (is_win) {
     import("//build/toolchain/goma.gni")
-    cflags = [ "/Zi" ]  # Produce PDB file, no edit and continue.
-
+    if (use_goma) {
+      # Disable symbols during goma compilation because otherwise the redundant
+      # debug information (repeated in every .obj file) makes linker memory
+      # consumption and link times unsustainable (crbug.com/630074).
+      cflags = []
+    } else {
+      cflags = [ "/Zi" ]  # Produce PDB file, no edit and continue.
+    }
     if (is_win_fastlink && visual_studio_version != "2013") {
       # Tell VS 2015+ to create a PDB that references debug
       # information in .obj and .lib files instead of copying