Revert "bp2build conversion for Sanitize.Integer_overflow"

This reverts commit f82482db317f5cc5c71c14c9fb39362ea2a6f512.

Reason for revert: http://b/261935841

Change-Id: I8155c2b17c6052b734efea43be06b1099ffedd32
diff --git a/cc/cc.go b/cc/cc.go
index e07edeb..2ff5bba 100644
--- a/cc/cc.go
+++ b/cc/cc.go
@@ -1859,11 +1859,7 @@
 }
 
 func (c *Module) IsMixedBuildSupported(ctx android.BaseModuleContext) bool {
-	// TODO(b/261058727): Remove this (enable mised builds for modules with UBSan)
-	ubsanEnabled := c.sanitize != nil &&
-		((c.sanitize.Properties.Sanitize.Integer_overflow != nil && *c.sanitize.Properties.Sanitize.Integer_overflow) ||
-			c.sanitize.Properties.Sanitize.Misc_undefined != nil)
-	return c.bazelHandler != nil && !ubsanEnabled
+	return c.bazelHandler != nil
 }
 
 func (c *Module) ProcessBazelQueryResponse(ctx android.ModuleContext) {