Retire obsolete DrMemory suppressions ..327672

These have recently been retired from Valgrind, and are also being retired from Dr Memory:

bug_241044
bug_246153
bug_312332
bug_327672

BUG=241044,246153,312332,327672
R=bruening@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/587133003

Cr-Commit-Position: refs/heads/master@{#296049}

tools/valgrind/drmemory/suppressions_full.txt

@@ -1478,24 +1478,6 @@ name=bug_238170c
 *!blink::CompositeEditCommand::apply
 *!blink::applyCommand
 
-UNINITIALIZED READ
-name=bug_241044
-*!blink::Settings::setOpenGLMultisamplingEnabled
-*!blink::WebSettingsImpl::setOpenGLMultisamplingEnabled
-*!content::ApplyWebPreferences
-*!content::RenderViewImpl::OnUpdateWebPreferences
-*!content::RenderViewImpl::SetWebkitPreferences
-
-UNINITIALIZED READ
-name=bug_246153
-*!blink::Settings::setOpenGLMultisamplingEnabled
-*!blink::WebSettingsImpl::setOpenGLMultisamplingEnabled
-*!content::ApplyWebPreferences
-...
-*!content::RenderViewImpl::Initialize
-*!content::RenderViewImpl::Create*
-*!content::RenderThreadImpl::OnCreateNewView
-
 UNINITIALIZED READ
 name=bug_259789
 *!blink::::adjustAttributes
@@ -1565,22 +1547,6 @@ name=bug_309477
 *!content::RenderThreadImpl::EnsureWebKitInitialized
 *!content::RenderThreadImpl::OnCreateNewView
 
-UNINITIALIZED READ
-name=bug_312332
-...
-*!blink::RenderTextControl::computeIntrinsicLogicalWidths
-*!blink::RenderTextControl::computePreferredLogicalWidths
-...
-*!blink::RenderBlock::layout
-
-UNINITIALIZED READ
-name=bug_327672
-*!blink::StyleSheetContents::isCacheable
-*!blink::LinkStyle::setCSSStyleSheet
-*!blink::CSSStyleSheetResource::checkNotify
-...
-*!content::WebURLLoaderImpl::Context::OnCompletedRequest
-
 ###############################################################
 # Real issues in Chromium