Remove the reference to the compilation date so that the build is
reproducible.

diff --git a/src/metabat.cpp b/src/metabat.cpp
index 88e06de..c95cb1a 100644
--- a/src/metabat.cpp
+++ b/src/metabat.cpp
@@ -49,7 +49,7 @@ int main(int ac, char* av[]) {
 	po::notify(vm);
 
 	if (vm.count("help") || inFile.length() == 0 || outFile.length() == 0) {
-		cerr << "\nMetaBAT: Metagenome Binning based on Abundance and Tetranucleotide frequency (version " << version << "; " << __DATE__ << " " << __TIME__ << ")" << endl;
+		cerr << "\nMetaBAT: Metagenome Binning based on Abundance and Tetranucleotide frequency (version " << version << "; unknown compilation date)" << endl;
 		cerr << "by Don Kang (ddkang@lbl.gov), Jeff Froula, Rob Egan, and Zhong Wang (zhongwang@lbl.gov) \n" << endl;
 		cerr << desc << endl << endl;
 
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<tr><td><span title='2020-06-28 14:03:03 +0300'>2020-06-28</span></td><td><a href='/guix/commit/gnu/services/science.scm?id=8f19e63f760fe02f9969225da2f3f3c36801218f'>services: Add rshiny service.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/science.scm: New file.
(&lt;rshiny-configuration&gt;): New record.
(rshiny-shepherd-service-type): New variable.
* doc/guix.texi (Miscellaneous Services): Document it.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.
</span></span></td><td>Efraim Flashner</td></tr>