Removes Universite Paris Saclay from the logos

Thanks Neze

source/Makefile

@@ -53,3 +53,7 @@ clean:
 cleandist: clean
 	$(call say,removing doc and package files)
 	@rm -f $(GENFILES)
+
+%.pdf: %.eps
+	ps2pdf -dEPSCrop -dCompressPages=false $< - | \
+		sed '/^..*g$$/ s/^./%/' > $@

source/polytechnique.sty

@@ -365,7 +365,7 @@
             }
         \end{minipage}
     }
-    \renewcommand{\notitlepageupperline}{
+    \renewcommand{\notitlepageupperline}{ 
         \noindent%
         \begin{minipage}{\textwidth}
             \centering