bira: remove extra spaces (#7767)

themes/bira.zsh-theme

@@ -19,8 +19,8 @@ else
     rvm_ruby='%{$fg[red]%}‹$(rbenv version | sed -e "s/ (set.*$//")› %{$reset_color%}'
   fi
 fi
-local git_branch='$(git_prompt_info)%{$reset_color%}'
+local git_branch='$(git_prompt_info)'
-local venv_prompt='$(virtualenv_prompt_info)%{$reset_color%}'
+local venv_prompt='$(virtualenv_prompt_info)'
 
 PROMPT="╭─${venv_prompt}${user_host}${current_dir}${rvm_ruby}${git_branch}
 ╰─%B${user_symbol}%b "
@@ -31,3 +31,6 @@ ZSH_THEME_GIT_PROMPT_SUFFIX="› %{$reset_color%}"
 
 ZSH_THEME_VIRTUAL_ENV_PROMPT_PREFIX="%{$fg[green]%}‹"
 ZSH_THEME_VIRTUAL_ENV_PROMPT_SUFFIX="› %{$reset_color%}"
+
+ZSH_THEME_VIRTUALENV_PREFIX=$ZSH_THEME_VIRTUAL_ENV_PROMPT_PREFIX
+ZSH_THEME_VIRTUALENV_SUFFIX=$ZSH_THEME_VIRTUAL_ENV_PROMPT_SUFFIX