RFR: JDK-8172702 Remove left-over OPENJDK_TARGET_CPU_JLI_CFLAGS

[Magnus Ihse Bursie]

In JDK-8066474, all references to OPENJDK_TARGET_CPU_JLI_CFLAGS except 
one was removed.

Bug: https://bugs.openjdk.java.net/browse/JDK-8172702
Patch inline:
diff --git a/common/autoconf/buildjdk-spec.gmk.in 
b/common/autoconf/buildjdk-spec.gmk.in
--- a/common/autoconf/buildjdk-spec.gmk.in
+++ b/common/autoconf/buildjdk-spec.gmk.in
@@ -68,7 +68,6 @@
 CFLAGS_JDKEXE := @OPENJDK_BUILD_CFLAGS_JDKEXE@
 CXXFLAGS_JDKEXE := @OPENJDK_BUILD_CXXFLAGS_JDKEXE@
 LDFLAGS_JDKEXE := @OPENJDK_BUILD_LDFLAGS_JDKEXE@
-OPENJDK_TARGET_CPU_JLI_CFLAGS := @OPENJDK_BUILD_CPU_JLI_CFLAGS@
 JVM_CFLAGS := @OPENJDK_BUILD_JVM_CFLAGS@
 JVM_LDFLAGS := @OPENJDK_BUILD_JVM_LDFLAGS@

/Magnus