Remove PicoTTS from the base.

Bug: N/A
Test: builds
Change-Id: I843383d8298ded51510f993168efd9189d4c176b
diff --git a/target/product/core.mk b/target/product/core.mk
index a2b0f1c..cab8d97 100644
--- a/target/product/core.mk
+++ b/target/product/core.mk
@@ -45,7 +45,6 @@
     Launcher2 \
     ManagedProvisioning \
     MtpDocumentsProvider \
-    PicoTts \
     PacProcessor \
     libpac \
     PrintSpooler \