Revert of Enable debug fission for Release build (patchset #1 id:1 of...

Revert of Enable debug fission for Release build (patchset #1 id:1 of https://codereview.chromium.org/605623002/)

Reason for revert:
Speculatively reverting.  Suspect it may be cause of leaks on linux asan lsan bot:

http://build.chromium.org/p/chromium.memory/builders/Linux%20ASan%20LSan%20Tests%20%281%29/builds/6561

Original issue's description:
> Enable debug fission for Release build
>
> This enables debug fission for Release build. If the target compiler
> satisfies fission requirement, the fission is enabled for target no
> matter how old the host compiler is.
>
> BUG=None
> TEST=simple chrome for x64 platform passes with fission.
>
> Committed: https://crrev.com/d872dd066eb644f2d85e25429f55451cd2dd20d4
> Cr-Commit-Position: refs/heads/master@{#298925}

TBR=tansell@chromium.org,mithro@mithis.com,llozano@chromium.org,llozano@google.com,yunlian@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=None

Review URL: https://codereview.chromium.org/649433002

Cr-Commit-Position: refs/heads/master@{#299000}

build/common.gypi

@@ -3630,15 +3630,6 @@
           },
         },
         'conditions': [
-
-          ['linux_use_debug_fission==1 and linux_use_gold_flags==1 and (clang==1 or gcc_version>=48)  and binutils_version>=223', {
-           'target_conditions': [
-              ['_toolset=="target"', {
-               'cflags': ['-gsplit-dwarf'],
-             },
-           ],
-           ]
-          }],
           ['target_arch=="ia32"', {
             'target_conditions': [
               ['_toolset=="target"', {