message: Clean up unused text keys
diff: <Italian>There are new mercenaries available for hiring.</Italian>
  <Spanish>There are new mercenaries available for hiring.</Spanish>
  </TEXT>
  - <TEXT>
  - <Tag>TXT_KEY_NEWCIV_MESSAGE</Tag>
  - <English>Do you wish to take permanent control of the %s1 civilization?</English>
  - <French>Voulez-vous prendre le contr&#244;le permanent de la civilisation %s1:2 ?</French>
  - <German>Wollt Ihr die permanente Kontrolle &#252;ber das %s1:3 Volk &#252;bernehmen?</German>
  - <Italian>Vuoi assumere il controllo permanente della civilt&#224; %s1:2?</Italian>
  - <Spanish>&#191;Deseas tomar el control permanente de la civilizaci&#243;n %s1:2?</Spanish>
  - </TEXT>
  <TEXT>
  <Tag>TXT_KEY_NEWCIV_TITLE</Tag>
  <English>A new civilization is being born</English>
  <Italian>Nasce una nuova civilt&#224;</Italian>
  <Spanish>Ha nacido una nueva civilizaci&#243;n</Spanish>
  </TEXT>
  - <TEXT>
  - <Tag>TXT_KEY_INTERFACE_NEW_CIV_SWITCH</Tag>
  - <English>[H1]A new civilization is being born[\H1][NEWLINE]Do you wish to take permanent control of the %s1 civilization?</English>
  - <French>[H1]Naissance d'une nouvelle civilisation[\H1][NEWLINE]Voulez-vous prendre le contr&#244;le permanent de la civilisation %s1:2 ?</French>
  - <German>[H1]Eine neue Zivilisation entsteht[\H1][NEWLINE]Wollt Ihr die permanente Kontrolle &#252;ber das %s1:3 Volk &#252;bernehmen?</German>
  - <Italian>[H1]Nasce una nuova civilt&#224;[\H1][NEWLINE]Vuoi assumere il controllo permanente della civilt&#224; %s1:2?</Italian>
  - <Spanish>[H1]Ha nacido una nueva civilizaci&#243;n[\H1][NEWLINE]&#191;Deseas tomar el control permanente de la civilizaci&#243;n %s1:2?</Spanish>
  - </TEXT>
  <TEXT>
  <Tag>TXT_KEY_NEWS_EVENT_FAMINE_2</Tag>
  <English>The generous people of %s2_city have donated famine relief to the endangered people of %s4_city. This humanitarian effort has brought the two nations closer together.</English>
  