Remove colon

Author: mathomp4

CHANGELOG.md

@@ -19,7 +19,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
-- Updated RC configuration settings for GEOSgcm v12:
+- Updated RC configuration settings for GEOSgcm v12
   - Adjusted pressure_lid_in_hPa values for various components (CA2G: 0.01→10 hPa for bc/br/oc, NI2G: 0.01→10 hPa, DU2G: 0.01→10 hPa, SS2G: 0.01→40 hPa, SU2G: 0.01→1 hPa)
   - Switched dust (DU2G) emission coefficients (Ch_DU) from L072 to L181 values
   - Updated dust (DU2G) fwet parameter from 0.8 to 1.0 for all bins