docs: address Steffen's comments

Author: jorainer

DESCRIPTION

@@ -1,5 +1,5 @@
 Package: xcms
-Version: 4.3.4
+Version: 4.3.3
 Title: LC-MS and GC-MS Data Analysis
 Description: Framework for processing and visualization of chromatographically
     separated and single-spectra mass spectral data. Imports from AIA/ANDI NetCDF,

NEWS.md

@@ -1,13 +1,10 @@
 # xcms 4.3
 
-## Changes in version 4.3.4
+## Changes in version 4.3.3
 
 - Fix issue #755: `chromatogram()` with `msLevel = 2` fails to extract
   chromatographic data if `isolationWindowTargetMz` is not specified or
   available (e.g. for MSe data).
-
-## Changes in version 4.3.3
-
 - Support coercing from `XcmsExperiment` to `XCMSnExp` with
   `as(object, "XCMSnExp")`.
 - Change `estimatePrecursorIntensity()` to a method and add an implementation