remove readme for dist

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

scripts/mk_nuget_task.py

@@ -110,7 +110,6 @@ def create_nuget_spec(version, repo, branch, commit, symbols, arch):
         <copyright>&#169; Microsoft Corporation. All rights reserved.</copyright>
         <tags>smt constraint solver theorem prover</tags>
         <icon>content/icon.jpg</icon>
-        <readme>README.md</readme>
         <projectUrl>https://github.com/Z3Prover/z3</projectUrl>
         <license type="expression">MIT</license>
         <repository type="git" url="{1}" branch="{2}" commit="{3}" />
@@ -148,7 +147,7 @@ def create(self):
         unpack(self.packages, self.symbols, self.arch)
         mk_targets(self.source_root)
         mk_icon(self.source_root)
-        mk_readme(self.source_root)
+#       mk_readme(self.source_root)
         create_nuget_spec(self.version, self.repo, self.branch, self.commit, self.symbols, self.arch)
 
 def main():