add POWERLEVEL9K_VIRTUALENV_SHOW_WITH_PYENV=false to config templates

See #730.

config/p10k-classic.zsh

@@ -846,6 +846,8 @@
   typeset -g POWERLEVEL9K_VIRTUALENV_FOREGROUND=37
   # Don't show Python version next to the virtual environment name.
   typeset -g POWERLEVEL9K_VIRTUALENV_SHOW_PYTHON_VERSION=false
+  # Don't show virtualenv if pyenv is already shown.
+  typeset -g POWERLEVEL9K_VIRTUALENV_SHOW_WITH_PYENV=false
   # Separate environment name from Python version only with a space.
   typeset -g POWERLEVEL9K_VIRTUALENV_{LEFT,RIGHT}_DELIMITER=
   # Custom icon.

config/p10k-lean-8colors.zsh

@@ -823,6 +823,8 @@
   typeset -g POWERLEVEL9K_VIRTUALENV_FOREGROUND=6
   # Don't show Python version next to the virtual environment name.
   typeset -g POWERLEVEL9K_VIRTUALENV_SHOW_PYTHON_VERSION=false
+  # Don't show virtualenv if pyenv is already shown.
+  typeset -g POWERLEVEL9K_VIRTUALENV_SHOW_WITH_PYENV=false
   # Separate environment name from Python version only with a space.
   typeset -g POWERLEVEL9K_VIRTUALENV_{LEFT,RIGHT}_DELIMITER=
   # Custom icon.

config/p10k-lean.zsh

@@ -823,6 +823,8 @@
   typeset -g POWERLEVEL9K_VIRTUALENV_FOREGROUND=37
   # Don't show Python version next to the virtual environment name.
   typeset -g POWERLEVEL9K_VIRTUALENV_SHOW_PYTHON_VERSION=false
+  # Don't show virtualenv if pyenv is already shown.
+  typeset -g POWERLEVEL9K_VIRTUALENV_SHOW_WITH_PYENV=false
   # Separate environment name from Python version only with a space.
   typeset -g POWERLEVEL9K_VIRTUALENV_{LEFT,RIGHT}_DELIMITER=
   # Custom icon.

config/p10k-rainbow.zsh

@@ -881,6 +881,8 @@
   # typeset -g POWERLEVEL9K_VIRTUALENV_BACKGROUND=4
   # Don't show Python version next to the virtual environment name.
   typeset -g POWERLEVEL9K_VIRTUALENV_SHOW_PYTHON_VERSION=false
+  # Don't show virtualenv if pyenv is already shown.
+  typeset -g POWERLEVEL9K_VIRTUALENV_SHOW_WITH_PYENV=false
   # Separate environment name from Python version only with a space.
   typeset -g POWERLEVEL9K_VIRTUALENV_{LEFT,RIGHT}_DELIMITER=
   # Custom icon.