(DOCSP-30883) fixing a build error

Author: carriecwk

source/launch.txt

@@ -98,7 +98,7 @@ necessary command line options.
          --sampleNamespaces>` option to specify the ``books`` collection in the
          ``test`` database.
 
-         .. cssclass:: copyable-code
+         .. :copyable: true
          .. code-block:: ps1
 
             "C:\Program Files\MongoDB\Connector for BI\2.4\bin\mongosqld.exe" --sampleNamespaces test.books
@@ -109,7 +109,7 @@ necessary command line options.
          --sampleNamespaces>` option to specify the ``books`` collection in the
          ``test`` database.
 
-         .. cssclass:: copyable-code
+         .. :copyable: true
          .. code-block:: ps1
 
             mongosqld --sampleNamespaces test.books
@@ -120,7 +120,7 @@ necessary command line options.
          --sampleNamespaces>` option to specify the ``books`` collection in the
          ``test`` database.
 
-         .. cssclass:: copyable-code
+         .. :copyable: true
          .. code-block:: ps1
 
             mongosqld --sampleNamespaces test.books
@@ -131,7 +131,7 @@ necessary command line options.
          --sampleNamespaces>` option to specify the ``books`` collection in the
          ``test`` database.
 
-         .. cssclass:: copyable-code
+         .. :copyable: true
          .. code-block:: ps1
 
             mongosqld --sampleNamespaces test.books
@@ -174,28 +174,28 @@ configuration file.
    tabs:
      - id: windows
        content: |
-         .. cssclass:: copyable-code
+         .. :copyable: true
          .. code-block:: ps1
 
             "C:\Program Files\MongoDB\Connector for BI\2.4\bin\mongosqld.exe" --config <pathToConfigFile>\mongosqld.conf
 
      - id: macos
        content: |
-         .. cssclass:: copyable-code
+         .. :copyable: true
          .. code-block:: ps1
 
             mongosqld --config <pathToConfigFile>/mongosqld.conf
 
      - id: debian
        content: |
-         .. cssclass:: copyable-code
+         .. :copyable: true
          .. code-block:: ps1
 
             mongosqld --config <pathToConfigFile>/mongosqld.conf
 
      - id: rhel
        content: |
-         .. cssclass:: copyable-code
+         .. :copyable: true
          .. code-block:: ps1
 
             mongosqld --config <pathToConfigFile>/mongosqld.conf