Drop strings.HasPrefix when guarding strings.TrimPrefix.

There is no need to check as `TrimPrefix` does nothing if the prefix
doesn't match (see https://pkg.go.dev/strings#TrimPrefix).

Bug: 193425964
Test: m nothing
Change-Id: Ieb82e72a471800e29eb6bb54308041a9ab4173e5

java/java.go

@@ -21,7 +21,6 @@ package java
 import (
 	"fmt"
 	"path/filepath"
-	"strings"
 
 	"github.com/google/blueprint"
 	"github.com/google/blueprint/proptools"
@@ -1462,11 +1461,7 @@ func (j *Import) IDECustomizedModuleName() string {
 	// TODO(b/113562217): Extract the base module name from the Import name, often the Import name
 	// has a prefix "prebuilt_". Remove the prefix explicitly if needed until we find a better
 	// solution to get the Import name.
-	name := j.Name()
-	if strings.HasPrefix(name, removedPrefix) {
-		name = strings.TrimPrefix(name, removedPrefix)
-	}
-	return name
+	return android.RemoveOptionalPrebuiltPrefix(j.Name())
 }
 
 var _ android.PrebuiltInterface = (*Import)(nil)