Revert of DevTools: Support async call stacks for FileSystem API (part 1).

LayoutTests/http/tests/inspector/filesystem/async-callstack-filesystem-expected.txt

Index: LayoutTests/http/tests/inspector/filesystem/async-callstack-filesystem-expected.txt
diff --git a/LayoutTests/http/tests/inspector/filesystem/async-callstack-filesystem-expected.txt b/LayoutTests/http/tests/inspector/filesystem/async-callstack-filesystem-expected.txt
deleted file mode 100644
index 5c722b673ebac5d83364a9de71f65d35287042a9..0000000000000000000000000000000000000000
--- a/LayoutTests/http/tests/inspector/filesystem/async-callstack-filesystem-expected.txt
+++ /dev/null
@@ -1,60 +0,0 @@
-Tests asynchronous call stacks for FileSystem API.
-
-Set timer for test function.
-Captured call stacks in no particular order:
-Call stack:
-    0) expectError (async-callstack-filesystem.html:36)
-    [FileSystem]
-    0) timeout (async-callstack-filesystem.html:31)
-    [setTimeout]
-    0) testFunction (async-callstack-filesystem.html:25)
-
-Call stack:
-    0) onFileCreated (async-callstack-filesystem.html:51)
-    [FileSystem]
-    0) onInitFileSystem (async-callstack-filesystem.html:45)
-    [FileSystem]
-    0) expectError (async-callstack-filesystem.html:37)
-    [FileSystem]
-    0) timeout (async-callstack-filesystem.html:31)
-    [setTimeout]
-    0) testFunction (async-callstack-filesystem.html:25)
-
-Call stack:
-    0) onFileDeleted (async-callstack-filesystem.html:93)
-    [FileSystem]
-    0) deleteTmpFile (async-callstack-filesystem.html:88)
-    1) onFileReadEnd (async-callstack-filesystem.html:83)
-
-Call stack:
-    0) onFileEntryFile (async-callstack-filesystem.html:72)
-    [FileSystem]
-    0) onFileWriteEnd (async-callstack-filesystem.html:67)
-
-Call stack:
-    0) onFileReadEnd (async-callstack-filesystem.html:82)
-
-Call stack:
-    0) onFileWriteEnd (async-callstack-filesystem.html:66)
-
-Call stack:
-    0) onFileWriterCreated (async-callstack-filesystem.html:57)
-    [FileSystem]
-    0) onFileCreated (async-callstack-filesystem.html:52)
-    [FileSystem]
-    0) onInitFileSystem (async-callstack-filesystem.html:45)
-    [FileSystem]
-    0) expectError (async-callstack-filesystem.html:37)
-    [FileSystem]
-    0) timeout (async-callstack-filesystem.html:31)
-
-Call stack:
-    0) onInitFileSystem (async-callstack-filesystem.html:43)
-    [FileSystem]
-    0) expectError (async-callstack-filesystem.html:37)
-    [FileSystem]
-    0) timeout (async-callstack-filesystem.html:31)
-    [setTimeout]
-    0) testFunction (async-callstack-filesystem.html:25)
-
-