doc: remove references to 2.0 in intro

While we internally call the "new" ACRN architecture 2.0, it could be
confusing to users since we also are calling the upcoming release v1.2
and there is no 2.0 release yet.  Remove references to 2.0 in the
introduction.

Signed-off-by: David B. Kinder <david.b.kinder@intel.com>

doc/introduction/index.rst

@@ -24,16 +24,17 @@ ACRN High-Level Architecture
 ****************************
 
 The ACRN architecture has evolved since it's initial v0.1 release in
-July 2018. The new v2.0 architecture has flexibility to support
-partition mode, sharing mode and a mixed hybrid mode.  As shown in
-:numref:`V2-hl-arch`, hardware resources can be partitioned into two parts:
+July 2018. Beginning with the v1.1 release, the ACRN architecture has
+flexibility to support partition mode, sharing mode, and a mixed hybrid
+mode.  As shown in :numref:`V2-hl-arch`, hardware resources can be
+partitioned into two parts:
 
 .. figure:: images/ACRN-V2-high-level-arch.png
    :width: 700px
    :align: center
    :name: V2-hl-arch
 
-   ACRN V2.0 high-level architecture
+   ACRN high-level architecture
 
 Shown on the left of :numref:`V2-hl-arch`, resources are partitioned and
 used by a pre-launched user virtual machine (VM). Pre-launched here
@@ -87,7 +88,7 @@ Experience (IVE) solutions.
    :align: center
    :name: V2-SDC-scenario
 
-   ACRN V2.0 Automotive SDC scenario
+   ACRN Automotive SDC scenario
 
 As a reference implementation, ACRN provides the basis for embedded
 hypervisor vendors to build solutions with a reference I/O mediation
@@ -134,7 +135,7 @@ Post-Launched VMs.
    :align: center
    :name: V2-SDC-usage-arch
 
-   ACRN V2.0 SDC usage architecture overview
+   ACRN SDC usage architecture overview
 
 A block diagram of ACRN's SDC usage scenario is shown in
 :numref:`V2-SDC-usage-arch` above.
@@ -155,7 +156,7 @@ Industrial Workload Consolidation
    :align: center
    :name: V2-industrial-scenario
 
-   ACRN V2.0 Industrial Workload Consolidation scenario
+   ACRN Industrial Workload Consolidation scenario
 
 Supporting Workload consolidation for industrial applications is even
 more challenging. The ACRN hypervisor needs to run both safety-critical
@@ -184,7 +185,7 @@ real-time OS needs, such as VxWorks* or RT-Linux*.
    :align: center
    :name: V2-industry-usage-arch
 
-   ACRN V2.0 Industrial Usage Architecture Overview
+   ACRN Industrial Usage Architecture Overview
 
 :numref:`V2-industry-usage-arch` shows ACRN’s block diagram for an
 Industrial usage scenario: