Remove redundant static modifier

"inline static void func()"

Doesn't make sense when put in a header file.  Find all instances, and
make them inline like we do everywhere else.

Tested: Code compiles.

Change-Id: I7da5821b1e372941680f82939627af39fdc2a4eb
Signed-off-by: Ed Tanous <ed@tanous.net>
diff --git a/redfish-core/lib/update_service.hpp b/redfish-core/lib/update_service.hpp
index fa2dc9e..9ef8311 100644
--- a/redfish-core/lib/update_service.hpp
+++ b/redfish-core/lib/update_service.hpp
@@ -55,14 +55,15 @@
 // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
 static std::unique_ptr<boost::asio::steady_timer> fwAvailableTimer;
 
-inline static void cleanUp()
+inline void cleanUp()
 {
     fwUpdateInProgress = false;
     fwUpdateMatcher = nullptr;
     fwUpdateErrorMatcher = nullptr;
 }
-inline static void activateImage(const std::string& objPath,
-                                 const std::string& service)
+
+inline void activateImage(const std::string& objPath,
+                          const std::string& service)
 {
     BMCWEB_LOG_DEBUG("Activate image for {} {}", objPath, service);
     sdbusplus::asio::setProperty(