Revert "poky: subtree update:b23aa6b753..ad30a6d470"

This reverts commit af5e4ef732faedf66c6dc1756432e9de2ac72988.

This commit introduced openbmc/openbmc#3720 and no solution has been
forthcoming. Revert until we can get to the bottom of this.

Change-Id: I2fb0d81eb26cf3dadb2f2abdd1a1bb7a95eaf03c
diff --git a/poky/documentation/tools/eclipse-help.sed b/poky/documentation/tools/eclipse-help.sed
new file mode 100644
index 0000000..9716ea4
--- /dev/null
+++ b/poky/documentation/tools/eclipse-help.sed
@@ -0,0 +1,21 @@
+#
+# SPDX-License-Identifier: CC-BY-2.0-UK
+#
+# Process poky-ref-manual and yocto-project-qs manual (<word>-<word>-<word> style)
+# For example:
+#   "ulink" href="http://www.yoctoproject.org/docs/1.3/poky-ref-manual/poky-ref-manual.html#faq"
+#   -> "link" href="../poky-ref-manual/faq.html"
+s@"ulink" href="http://www.yoctoproject.org/docs/[^/]*/([a-z]*-[a-z]*-[a-z]*)/[a-z]*-[a-z]*-[a-z]*.html#([^"]*)"/@"link" href="../1/2.html"@g
+
+# Processes all other manuals (<word>-<word> style)
+# For example:
+#   "ulink" href="http://www.yoctoproject.org/docs/1.3/kernel-manual/kernel-manual.html#faq"
+#   -> "link" href="../kernel-manual/faq.html"
+s@"ulink" href="http://www.yoctoproject.org/docs/[^/]*/([a-z]*-[a-z]*)/[a-z]*-[a-z]*.html#([^"]*)"@"link" href="../1/2.html"@g
+
+# Process cases where just an external manual is referenced without an id anchor
+# For example:
+#   "ulink" href="http://www.yoctoproject.org/docs/1.3/kernel-manual/kernel-manual.html
+#   -> "link" href="../kernel-manual/index.html"
+s@"ulink" href="http://www.yoctoproject.org/docs/[^/]*/([a-z]*-[a-z]*-[a-z]*)/[a-z]*-[a-z]*-[a-z]*.html"@"link" href="../1/index.html"@g
+s@"ulink" href="http://www.yoctoproject.org/docs/[^/]*/([a-z]*-[a-z]*)/[a-z]*-[a-z]*.html"@"link" href="../1/index.html"@g