build: Remove some stray LLVMC configure variables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141869 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile.config.in b/Makefile.config.in
index 49532c1..fff482e 100644
--- a/Makefile.config.in
+++ b/Makefile.config.in
@@ -314,17 +314,6 @@
 # Location of the plugin header file for gold.
 BINUTILS_INCDIR := @BINUTILS_INCDIR@
 
-# When ENABLE_LLVMC_DYNAMIC is enabled, LLVMC will link libCompilerDriver
-# dynamically. This is needed to make dynamic plugins work on some targets
-# (Windows).
-ENABLE_LLVMC_DYNAMIC = 0
-#@ENABLE_LLVMC_DYNAMIC@
-
-# When ENABLE_LLVMC_DYNAMIC_PLUGINS is enabled, LLVMC will have dynamic plugin
-# support (via the -load option).
-ENABLE_LLVMC_DYNAMIC_PLUGINS = 1
-#@ENABLE_LLVMC_DYNAMIC_PLUGINS@
-
 # Optional flags supported by the compiler
 # -Wno-missing-field-initializers
 NO_MISSING_FIELD_INITIALIZERS = @NO_MISSING_FIELD_INITIALIZERS@