doc: Remove "or newer/higher" descriptions for other release notes and some tutorials.

ACRN tag is ONLY specific to one Clear Linux version.
For the tutorials, we just need to make sure the validated version is functional.

Signed-off-by: lirui34 <ruix.li@intel.com>

Author: lirui34

doc/release_notes/release_notes_0.6.rst

@@ -30,7 +30,7 @@ with a specific release: generated v0.6 documents can be found at
 https://projectacrn.github.io/0.6/.  Documentation for the latest
 (master) branch is found at https://projectacrn.github.io/latest/.
 
-ACRN v0.6 requires Clear Linux OS version 27600 or newer.  Please follow the
+ACRN v0.6 requires Clear Linux OS version 27600. Please follow the
 instructions in the :ref:`getting-started-apl-nuc`.
 
 Version 0.6 new features

doc/release_notes/release_notes_0.7.rst

@@ -30,7 +30,7 @@ with a specific release: generated v0.7 documents can be found at
 https://projectacrn.github.io/0.7/.  Documentation for the latest
 (master) branch is found at https://projectacrn.github.io/latest/.
 
-ACRN v0.7 requires Clear Linux OS version 28260 or newer.  Please follow the
+ACRN v0.7 requires Clear Linux OS version 28260. Please follow the
 instructions in the :ref:`getting-started-apl-nuc`.
 
 Version 0.7 new features

doc/release_notes/release_notes_0.8.rst

@@ -30,7 +30,7 @@ with a specific release: generated v0.8 documents can be found at
 https://projectacrn.github.io/0.8/.  Documentation for the latest
 (master) branch is found at https://projectacrn.github.io/latest/.
 
-ACRN v0.8 requires Clear Linux OS version 28600 or newer.  Please follow the
+ACRN v0.8 requires Clear Linux OS version 28600. Please follow the
 instructions in the :ref:`getting-started-apl-nuc`.
 
 Version 0.8 new features

doc/release_notes/release_notes_1.0.rst

@@ -31,7 +31,7 @@ or use Git clone and checkout commands::
 The project's online technical documentation is also tagged to correspond
 with a specific release: generated v1.0 documents can be found at https://projectacrn.github.io/1.0/.
 Documentation for the latest (master) branch is found at https://projectacrn.github.io/latest/.
-ACRN v1.0 requires Clear Linux* OS version 29070 or newer. Please follow the
+ACRN v1.0 requires Clear Linux* OS version 29070. Please follow the
 instructions in the :ref:`getting-started-apl-nuc`.
 
 Version 1.0 major features

doc/release_notes/release_notes_1.1.rst

@@ -22,7 +22,7 @@ or use Git clone and checkout commands::
 The project's online technical documentation is also tagged to correspond
 with a specific release: generated v1.1 documents can be found at https://projectacrn.github.io/1.1/.
 Documentation for the latest (master) branch is found at https://projectacrn.github.io/latest/.
-ACRN v1.1 requires Clear Linux* OS version 29970 or newer. Please follow the
+ACRN v1.1 requires Clear Linux* OS version 29970. Please follow the
 instructions in the :ref:`getting-started-apl-nuc`.
 
 Version 1.1 major features

doc/tutorials/open_vswitch.rst

@@ -9,7 +9,7 @@ use `Open Virtual Switch (OVS)
 
 .. note::
    OVS is provided as part of the ``service-os``
-   bundle.  Use ClearLinux OS version ``29660`` or higher.
+   bundle.  Use ClearLinux OS version ``29660``.
 
 What is OVS
 ***********

doc/tutorials/rt_linux.rst

@@ -44,8 +44,8 @@ system on Intel KBL NUC with a SATA SSD as ``/dev/sda`` and an NVME SSD as
 1. Follow the :ref:`set-up-CL` instructions in the
    :ref:`getting-started-apl-nuc` to:
 
-   a. Install Clear Linux (version 29400 or higher) onto the NVMe
-   #. Install Clear Linux (version 29400 or higher) onto the SATA SSD
+   a. Install Clear Linux (version 29400) onto the NVMe
+   #. Install Clear Linux (version 29400) onto the SATA SSD
    #. Set up Clear Linux on the SATA SSD as the Service OS (SOS) following
       the :ref:`add-acrn-to-efi` instructions in the same guide.
 

doc/tutorials/using_celadon_as_uos.rst

@@ -11,7 +11,7 @@ on the ACRN hypervisor. We are using Kaby Lake-based NUC (model NUC7i7DNHE) in t
 Prerequisites
 *************
 
-* Ubuntu 18.04 or higher with at least 150G free disk space
+* Ubuntu 18.04 with at least 150G free disk space
 * Intel Kaby Lake NUC7ixDNHE ( Reference Platforms: :ref:`ACRN supported platforms <hardware>` )
 * BIOS version 0059 or later firmware should be flashed on the NUC system,
   and the ``Device Mode`` option is selected on the USB category of the Devices tab,