Expand workaround to any Git with osxkeychain

It turns out the "Git OSX Installer" brings the same hardcoded
osxkeychain credential helper and thus it is no longer sufficient
to try to detect based on the Git version.

src/main/java/com/microsoft/alm/gitcredentialmanager/Program.java

@@ -214,15 +214,15 @@ private void printHelpMessage()
         standardOut.println("      `git config --global credential.microsoft.visualstudio.com.authority AAD`");
         standardOut.println();
         standardOut.println("   eraseosxkeychain   Enables a workaround when running on Mac OS X");
-        standardOut.println("                      and using 'Apple Git' (which includes the osxkeychain");
+        standardOut.println("                      and using a version of Git which includes the osxkeychain");
         standardOut.println("                      credential helper, hardcoded before all other helpers).");
         standardOut.println("                      The problem is osxkeychain may return expired or");
         standardOut.println("                      revoked credentials, aborting the Git operation.");
         standardOut.println("                      The workaround is to preemptively erase from osxkeychain");
         standardOut.println("                      any Git credentials that can be refreshed or re-acquired");
         standardOut.println("                      by this credential helper.");
         standardOut.println("                      Defaults to TRUE. Ignored by Basic authority.");
-        standardOut.println("                      Does nothing if Apple Git on Mac OS X isn't detected.");
+        standardOut.println("                      Does nothing if osxkeychain on Mac OS X isn't detected.");
         standardOut.println();
         standardOut.println("      `git config --global credential.microsoft.visualstudio.com.eraseosxkeychain false`");
         standardOut.println();
@@ -437,30 +437,26 @@ public static void store(final OperationArguments operationArguments, final IAut
         {
             if (operationArguments.EraseOsxKeyChain && Provider.isMac(osName))
             {
-                final String gitResponse = fetchGitVersion(processFactory);
-                if (gitResponse.contains("Apple Git-"))
+                // check for the presence of git-credential-osxkeychain by scanning PATH
+                final File osxkeychainFile = findProgram(pathString, pathSeparator, "git-credential-osxkeychain", fileChecker);
+                if (osxkeychainFile != null)
                 {
-                    // check for the presence of git-credential-osxkeychain by scanning PATH
-                    final File osxkeychainFile = findProgram(pathString, pathSeparator, "git-credential-osxkeychain", fileChecker);
-                    if (osxkeychainFile != null)
+                    // erase these credentials from osxkeychain
+                    try
                     {
-                        // erase these credentials from osxkeychain
-                        try
-                        {
-                            final String program = osxkeychainFile.getAbsolutePath();
-                            final TestableProcess process = processFactory.create(program, "erase");
-                            final ProcessCoordinator coordinator = new ProcessCoordinator(process);
-                            coordinator.print(operationArguments.toString());
-                            coordinator.waitFor();
-                        }
-                        catch (final IOException e)
-                        {
-                            throw new Error(e);
-                        }
-                        catch (final InterruptedException e)
-                        {
-                            throw new Error(e);
-                        }
+                        final String program = osxkeychainFile.getAbsolutePath();
+                        final TestableProcess process = processFactory.create(program, "erase");
+                        final ProcessCoordinator coordinator = new ProcessCoordinator(process);
+                        coordinator.print(operationArguments.toString());
+                        coordinator.waitFor();
+                    }
+                    catch (final IOException e)
+                    {
+                        throw new Error(e);
+                    }
+                    catch (final InterruptedException e)
+                    {
+                        throw new Error(e);
                     }
                 }
             }