Update LICENSE

Author: JosephPB

LICENSE

@@ -631,12 +631,8 @@ to attach them to the start of each source file to most effectively
 state the exclusion of warranty; and each file should have at least
 the "copyright" line and a pointer to where the full notice is found.
 
-    JUNE: open-source individual-based epidemiology simulation
-    Copyright (C) 2022 Durham University and University College London
-    
-    UNGP Operational Intervention Simulation Tool: 
-    An operational response simulation tool for epidemics within refugee and IDP settlements
-    Copyright (C) 2022  United Nations Global Pulse
+    june_household_matrix_calculation
+    Copyright (C) 2022 Durham University
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -656,12 +652,7 @@ Also add information on how to contact you by electronic and paper mail.
   If the program does terminal interaction, make it output a short
 notice like this when it starts in an interactive mode:
 
-    JUNE  Copyright (C) 2022 Durham University and University College London 
-    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
-    This is free software, and you are welcome to redistribute it
-    under certain conditions; type `show c' for details.
-    
-    UNGP Operational Intervention Simulation Tool  Copyright (C) 2022  United Nations Global Pulse
+    june_household_matrix_calculation  Copyright (C) 2022 Durham University 
     This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
     This is free software, and you are welcome to redistribute it
     under certain conditions; type `show c' for details.