Revert "CCP4: Add library to save MTZs"

This reverts commit d4d1f6cd9c.

tools/jfjoch_process.cpp

@@ -25,7 +25,6 @@
 #include "../receiver/JFJochReceiverPlots.h"
 #include "../compression/JFJochCompressor.h"
 #include "../image_analysis/scale_merge/FrenchWilson.h"
-#include "../image_analysis/scale_merge/MtzWriter.h"
 
 void print_usage(Logger &logger) {
     logger.Info("Usage ./jfjoch_analysis {<options>} <input.h5>");
@@ -427,9 +426,10 @@ int main(int argc, char **argv) {
                 }
             }
 
+            // --- French-Wilson: convert I → F ---
             {
                 FrenchWilsonOptions fw_opts;
-                fw_opts.acentric = true;
+                fw_opts.acentric = true;   // typical for MX
                 fw_opts.num_shells = 20;
 
                 auto fw = FrenchWilson(scale_result->merged, fw_opts);
@@ -448,30 +448,6 @@ int main(int argc, char **argv) {
                     fw_file.close();
                     logger.Info("French-Wilson: wrote {} amplitudes to {}", fw.size(), fw_path);
                 }
-
-                // --- Write MTZ files ---
-                MtzWriteOptions mtz_opts(experiment,
-                       rotation_indexer_ret.has_value()
-                           ? std::optional<UnitCell>(rotation_indexer_ret->lattice.GetUnitCell())
-                           : std::nullopt);
-
-                // Intensities MTZ
-                {
-                    const std::string mtz_i_path = output_prefix + "_scaled.mtz";
-                    if (WriteMtzIntensities(mtz_i_path, scale_result->merged, mtz_opts))
-                        logger.Info("Wrote {} reflections to {}", scale_result->merged.size(), mtz_i_path);
-                    else
-                        logger.Error("Failed to write {}", mtz_i_path);
-                }
-
-                // Amplitudes MTZ (French-Wilson)
-                {
-                    const std::string mtz_f_path = output_prefix + "_amplitudes.mtz";
-                    if (WriteMtzAmplitudes(mtz_f_path, fw, mtz_opts))
-                        logger.Info("Wrote {} reflections to {}", fw.size(), mtz_f_path);
-                    else
-                        logger.Error("Failed to write {}", mtz_f_path);
-                }
             }
         } else {
             logger.Warning("Scaling skipped — too few reflections accumulated (need >= 20)");