[rubygems/rubygems] Remove duplicate documentation for --changelog flag

ruby/rubygems@9f1d07685f

Author: joshuay03

lib/bundler/man/bundle-gem.1

@@ -33,7 +33,7 @@ Add a \fBCODE_OF_CONDUCT\.md\fR file to the root of the generated project\. If t
 Do not create a \fBCODE_OF_CONDUCT\.md\fR (overrides \fB\-\-coc\fR specified in the global config)\.
 .TP
 \fB\-\-changelog\fR
-Add a \fBCHANGELOG\.md\fR file to the root of the generated project\. If this option is unspecified, an interactive prompt will be displayed and the answer will be saved in Bundler's global config for future \fBbundle gem\fR use\.
+Add a \fBCHANGELOG\.md\fR file to the root of the generated project\. If this option is unspecified, an interactive prompt will be displayed and the answer will be saved in Bundler's global config for future \fBbundle gem\fR use\. Update the default with \fBbundle config set \-\-global gem\.changelog <true|false>\fR\.
 .TP
 \fB\-\-no\-changelog\fR
 Do not create a \fBCHANGELOG\.md\fR (overrides \fB\-\-changelog\fR specified in the global config)\.
@@ -68,9 +68,6 @@ When Bundler is unconfigured, an interactive prompt will be displayed and the an
 \fB\-\-no\-test\fR
 Do not use a test framework (overrides \fB\-\-test\fR specified in the global config)\.
 .TP
-\fB\-\-changelog\fR
-Generate changelog file\. Set a default with \fBbundle config set \-\-global gem\.changelog true\fR\.
-.TP
 \fB\-\-ci\fR, \fB\-\-ci=circle\fR, \fB\-\-ci=github\fR, \fB\-\-ci=gitlab\fR
 Specify the continuous integration service that Bundler should use when generating the project\. Acceptable values are \fBgithub\fR, \fBgitlab\fR and \fBcircle\fR\. A configuration file will be generated in the project directory\. Given no option is specified:
 .IP

lib/bundler/man/bundle-gem.1.ronn

@@ -45,6 +45,7 @@ configuration file using the following names:
   Add a `CHANGELOG.md` file to the root of the generated project. If
   this option is unspecified, an interactive prompt will be displayed and the
   answer will be saved in Bundler's global config for future `bundle gem` use.
+  Update the default with `bundle config set --global gem.changelog <true|false>`.
 
 * `--no-changelog`:
   Do not create a `CHANGELOG.md` (overrides `--changelog` specified in the
@@ -95,9 +96,6 @@ configuration file using the following names:
   Do not use a test framework (overrides `--test` specified in the global
   config).
 
-* `--changelog`:
-  Generate changelog file. Set a default with `bundle config set --global gem.changelog true`.
-
 * `--ci`, `--ci=circle`, `--ci=github`, `--ci=gitlab`:
   Specify the continuous integration service that Bundler should use when
   generating the project. Acceptable values are `github`, `gitlab`