clk: core: remove dead code paths

Some static inline dummy functions were left over from before the clock
core was consolidated from several C files down to one.  Remove them.

Reported-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 3ed36d3..4daacf5 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -194,7 +194,7 @@
 late_initcall(clk_debug_init);
 #else
 static inline int clk_debug_register(struct clk *clk) { return 0; }
-#endif /* CONFIG_COMMON_CLK_DEBUG */
+#endif
 
 #ifdef CONFIG_COMMON_CLK_DISABLE_UNUSED
 /* caller must hold prepare_lock */
@@ -246,9 +246,7 @@
 	return 0;
 }
 late_initcall(clk_disable_unused);
-#else
-static inline int clk_disable_unused(struct clk *clk) { return 0; }
-#endif /* CONFIG_COMMON_CLK_DISABLE_UNUSED */
+#endif
 
 /***    helper functions   ***/