maintainer-workflow: Remove tabs

No other docs/ have tabs, they are not needed.

Tested: Copied into https://jbt.github.io/markdown-editor/
Change-Id: If61ee55ec116ed8bacaa2dbb09023498c7f3cfcd
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/maintainer-workflow.md b/maintainer-workflow.md
index 583d9a3..8f0932c 100644
--- a/maintainer-workflow.md
+++ b/maintainer-workflow.md
@@ -5,16 +5,16 @@
 
 * Manually verify the contributor has signed the ICLA (individual) or is
 listed on an existing CCLA (corporate).
-	* Executed CLAs can be found [in the CLA repository][1].
-	* If you were not added to the appropriate CLA repository ACL send an
+  * Executed CLAs can be found [in the CLA repository][1].
+  * If you were not added to the appropriate CLA repository ACL send an
 email to openbmc@lists.ozlabs.org with a request to be added.
-	* If a CLA for the contributor is found, accept the patch(1).
+  * If a CLA for the contributor is found, accept the patch(1).
 * If a CLA is not found, request that the contributor execute one and send it
 to openbmc@lists.ozlabs.org.
-	* Do not accept the patch(1) until a signed CLA (individual _or_
+  * Do not accept the patch(1) until a signed CLA (individual _or_
 corporate) has been uploaded to the CLA repository.
-	* The CCLA form can be found [here][2].
-	* The ICLA form can be found [here][3].
+  * The CCLA form can be found [here][2].
+  * The ICLA form can be found [here][3].
 
 An executed OpenBMC CLA is _not_ required to accept contributions to
 OpenBMC forks of upstream projects, like the Linux kernel or U-Boot.