Update search title

With the change to search.html, the search page now
searches docs.openstack.org, not the specific guide.

Update the header to reflect this.

Change-Id: I9cb4b7669e4c0767e73b105867240a1079d0c086

doc/admin-guide/source/index.rst

@@ -49,7 +49,7 @@ Glossary
 
    common/glossary.rst
 
-Search in this guide
-~~~~~~~~~~~~~~~~~~~~
+Search
+~~~~~~
 
 * :ref:`search`

doc/arch-design/source/index.rst

@@ -49,7 +49,7 @@ Glossary
 
    common/glossary.rst
 
-Search in this guide
-~~~~~~~~~~~~~~~~~~~~
+Search
+~~~~~~
 
 * :ref:`search`

doc/cli-reference/source/index.rst

@@ -59,7 +59,7 @@ Contents
    gnocchi
    mistral
 
-Search in this guide
-~~~~~~~~~~~~~~~~~~~~
+Search
+~~~~~~
 
 * :ref:`search`

doc/config-reference/source/index.rst

@@ -45,7 +45,7 @@ Appendix
    policy-yaml-file.rst
    policy-json-file.rst
 
-Search in this guide
-~~~~~~~~~~~~~~~~~~~~
+Search
+~~~~~~
 
 * :ref:`search`

doc/contributor-guide/source/index.rst

@@ -47,7 +47,7 @@ Glossary
 
    common/glossary.rst
 
-Search in this guide
-~~~~~~~~~~~~~~~~~~~~
+Search
+~~~~~~
 
 * :ref:`search`

doc/image-guide/source/index.rst

@@ -40,7 +40,7 @@ Glossary
 
    common/glossary.rst
 
-Search in this guide
-~~~~~~~~~~~~~~~~~~~~
+Search
+~~~~~~
 
 * :ref:`search`

doc/install-guide-debconf/source/index.rst

@@ -62,7 +62,7 @@ Glossary
 
    common/glossary.rst
 
-Search in this guide
-~~~~~~~~~~~~~~~~~~~~
+Search
+~~~~~~
 
 * :ref:`search`

doc/install-guide/source/index.rst

@@ -146,7 +146,7 @@ Glossary
 
    common/glossary.rst
 
-Search in this guide
-~~~~~~~~~~~~~~~~~~~~
+Search
+~~~~~~
 
 * :ref:`search`

doc/networking-guide/source/index.rst

@@ -45,7 +45,7 @@ Glossary
 
    common/glossary
 
-Search in this guide
-~~~~~~~~~~~~~~~~~~~~
+Search
+~~~~~~
 
 * :ref:`search`

doc/ops-guide/source/index.rst

@@ -70,7 +70,7 @@ Glossary
 
    common/glossary.rst
 
-Search in this guide
-~~~~~~~~~~~~~~~~~~~~
+Search
+~~~~~~
 
 * :ref:`search`

doc/user-guide/source/index.rst

@@ -43,7 +43,7 @@ Glossary
 
    common/glossary.rst
 
-Search in this guide
-~~~~~~~~~~~~~~~~~~~~
+Search
+~~~~~~
 
 * :ref:`search`