Remove conditional running of checklast during checkapi

Since the metalava invocations have been merged into a single one,
and checkapi already requires the other timestamp, this has no effect.

Bug: 151160048
Test: m checkapi
Change-Id: I560058f0f4cdeaedaf247cd35119da2cf0b86ea0

java/androidmk.go

@@ -512,7 +512,6 @@ func (ddoc *Droiddoc) AndroidMkEntries() []android.AndroidMkEntries {
 					fmt.Fprintln(w, ddoc.Name()+"-check-last-released-api:",
 						ddoc.checkLastReleasedApiTimestamp.String())
 
-					if ddoc.Name() == "api-stubs-docs" || ddoc.Name() == "system-api-stubs-docs" {
 					fmt.Fprintln(w, ".PHONY: checkapi")
 					fmt.Fprintln(w, "checkapi:",
 						ddoc.checkLastReleasedApiTimestamp.String())
@@ -520,7 +519,6 @@ func (ddoc *Droiddoc) AndroidMkEntries() []android.AndroidMkEntries {
 					fmt.Fprintln(w, ".PHONY: droidcore")
 					fmt.Fprintln(w, "droidcore: checkapi")
 				}
-				}
 			},
 		},
 	}}