dt-bindings: clock: qcom,gcc-sdx65: drop core_bi_pll_test_se

The test clock apparently it's not used by anyone upstream. Remove it.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221228185237.3111988-4-dmitry.baryshkov@linaro.org

Documentation/devicetree/bindings/clock/qcom,gcc-sdx65.yaml

@@ -26,8 +26,6 @@ properties:
       - description: Sleep clock source
       - description: PCIE Pipe clock source
       - description: USB3 phy wrapper pipe clock source
-      - description: PLL test clock source (Optional clock)
-    minItems: 5
 
   clock-names:
     items:
@@ -36,8 +34,6 @@ properties:
       - const: sleep_clk
       - const: pcie_pipe_clk
       - const: usb3_phy_wrapper_gcc_usb30_pipe_clk
-      - const: core_bi_pll_test_se # Optional clock
-    minItems: 5
 
 required:
   - compatible
@@ -56,9 +52,9 @@ examples:
       compatible = "qcom,gcc-sdx65";
       reg = <0x100000 0x1f7400>;
       clocks = <&rpmhcc RPMH_CXO_CLK>, <&rpmhcc RPMH_CXO_CLK_A>, <&sleep_clk>,
-               <&pcie_pipe_clk>, <&usb3_phy_wrapper_gcc_usb30_pipe_clk>, <&pll_test_clk>;
+               <&pcie_pipe_clk>, <&usb3_phy_wrapper_gcc_usb30_pipe_clk>;
       clock-names = "bi_tcxo", "bi_tcxo_ao", "sleep_clk",
-                    "pcie_pipe_clk", "usb3_phy_wrapper_gcc_usb30_pipe_clk", "core_bi_pll_test_se";
+                    "pcie_pipe_clk", "usb3_phy_wrapper_gcc_usb30_pipe_clk";
       #clock-cells = <1>;
       #reset-cells = <1>;
       #power-domain-cells = <1>;