Remove bad test_expectation updates.

I fixed both of these already:
  http://trac.webkit.org/changeset/80911
  http://trac.webkit.org/changeset/80904
so it is unclear why they were added.

* platform/chromium/test_expectations.txt:

git-svn-id: svn://svn.chromium.org/blink/trunk@80953 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/LayoutTests/ChangeLog

+2011-03-12  David Levin  <levin@chromium.org>
+
+        Remove bad test_expectation updates.
+
+        I fixed both of these already:
+          http://trac.webkit.org/changeset/80911
+          http://trac.webkit.org/changeset/80904
+        so it is unclear why they were added.
+
+        * platform/chromium/test_expectations.txt:
+
 2011-03-12  Ilya Tikhonovsky  <loislo@chromium.org>
 
         Unreviewed. Update chromium expectations.

third_party/WebKit/LayoutTests/platform/chromium/test_expectations.txt

@@ -3374,9 +3374,6 @@ BUGCR75639 MAC LEOPARD : fast/canvas/webgl/uninitialized-test.html = TIMEOUT
 // Test changed in Wk r80743, throws an exception rather than returning 'true'
 BUGCR75740 : fast/js/regexp-test-null-string.html = FAIL
 
-BUGCR75867 : svg/css/composite-shadow-text.svg = IMAGE
-BUG_LOISLO : fast/dom/prototype-inheritance.html = TEXT
-
 BUG_LOISLO LINUX DEBUG : fast/block/positioning/vertical-lr/003.html = CRASH PASS
 BUG_LOISLO MAC DEBUG : fast/text/font-size-zero.html = TEXT