Fix release notes so they are happier

Author: baronfel

fcs/RELEASE_NOTES.md

@@ -1,14 +1,13 @@
 #### 32.0.0
 
-* integrate dotnet/fsharp from e1b8537ee (2019-08-13) to 48f932cf8 (2019-09-27)
+* integrate dotnet/fsharp from e1b8537ee to 48f932cf8
 * notable changes include:
   * (preview) nameof
   * (preview) open static classes
   * Fixed 64-bit integer literal parsing
   * Better exhaustiveness checking for byte and sbyte pattern matches
   * Better native resource handling
   * Script-host assembly load events
-  * Tons of other ones, check the F# 4.7 release notes for them
 
 #### 31.0.0
   * Integrate dotnet/fsharp from 5a8f454a1 to 05c558a61