Revert "sqlcipher: fix build for xtensa"

This reverts commit 43d8dc3a392dcb769075cf1b076376a280c15c99.
Now that -mtext-section-literals is specified in the xtensa ABI this fix
is no longer needed.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/sqlcipher/sqlcipher.mk

@@ -32,10 +32,6 @@ ifeq ($(BR2_PACKAGE_SQLCIPHER_STAT3),y)
 SQLCIPHER_CFLAGS += -DSQLITE_ENABLE_STAT3
 endif
 
-ifeq ($(BR2_xtensa),y)
-SQLCIPHER_CFLAGS += -mtext-section-literals
-endif
-
 ifeq ($(BR2_PACKAGE_SQLCIPHER_READLINE),y)
 SQLCIPHER_DEPENDENCIES += ncurses readline
 SQLCIPHER_CONF_OPT += --with-readline-inc="-I$(STAGING_DIR)/usr/include"