Remove trailing spaces

Epidemiology.md

@@ -348,7 +348,7 @@ task view, which has a dedicated section on
   susceptible-infectious-recovered epidemic in a population with demographic
   variation in contact patterns and susceptibility to disease, as discussed in
   [Miller (2012)](https://doi.org/10.1007/s11538-012-9749-6).
-- `r pkg("shinySIR")`: A Shiny graphical interface to interactively explore 
+- `r pkg("shinySIR")`: A Shiny graphical interface to interactively explore
   simple SIR models. Users can also provide their own ODEs.
 
 ### Transmission tree reconstruction
@@ -510,9 +510,9 @@ COVID-19 section.
   publicly available parasite rate survey points, mosquito occurrence points and
   raster surfaces from the ['Malaria Atlas Project'](https://malariaatlas.org/)
   servers as well as utility functions for plotting the downloaded data.
-- `r pkg("colmozzie")`: Weekly notified dengue cases and climate variables in 
+- `r pkg("colmozzie")`: Weekly notified dengue cases and climate variables in
   Colombo district Sri Lanka from 2008/ week-52 to 2014/ week-21.
-- `r pkg("denguedatahub")`: Centralized access to dengue data worldwide from 
+- `r pkg("denguedatahub")`: Centralized access to dengue data worldwide from
   various sources.
 
 ### COVID-19