revert(template): restore original beamerthemegemini.sty (remove font fallbacks); rely on font install in postBuild instead

template/beamerthemegemini.sty

@@ -15,39 +15,17 @@
 % Fonts
 % ====================
 
-% Prefer Raleway/Lato if available; otherwise fall back to DejaVu or Latin Modern Sans
-\usefonttheme{professionalfonts}
-
-\IfFontExistsTF{Raleway}{
-  \newfontfamily\Raleway[Ligatures=TeX]{Raleway}
-}{
-  \newfontfamily\Raleway[Ligatures=TeX]{DejaVu Sans}
-}
+\newfontfamily\Raleway[Ligatures=TeX]{Raleway}
+\newfontfamily\Lato[Ligatures=TeX]{Lato}
 
-\IfFontExistsTF{Lato}{
-  \newfontfamily\Lato[Ligatures=TeX]{Lato}
-}{
-  \newfontfamily\Lato[Ligatures=TeX]{DejaVu Sans}
-}
+\usefonttheme{professionalfonts}
 
-\IfFontExistsTF{Lato}{
-  \setsansfont{Lato}[
-    UprightFont=*-Light,
-    ItalicFont=*-LightItalic,
-    BoldFont=*-Regular,
-    BoldItalicFont=*-Italic
-  ]
-}{
-  \IfFontExistsTF{DejaVu Sans}{
-    \setsansfont{DejaVu Sans}[
-      BoldFont=*-Bold,
-      ItalicFont=*-Oblique,
-      BoldItalicFont=*-BoldOblique
-    ]
-  }{
-    \setsansfont{Latin Modern Sans}
-  }
-}
+\setsansfont{Lato}[
+  UprightFont=*-Light,
+  ItalicFont=*-LightItalic,
+  BoldFont=*-Regular,
+  BoldItalicFont=*-Italic
+]
 
 \setbeamerfont{headline}{family=\Raleway}
 \setbeamerfont{headline title}{size=\Huge,series=\bfseries}