dt-bindings: rtc: Drop non-trivial duplicate compatibles

Several compatibles documented in trivial-rtc.yaml are documented
elsewhere and are not trivial, so drop them.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240910234431.1043923-1-robh@kernel.orgSigned-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

Documentation/devicetree/bindings/rtc/trivial-rtc.yaml

@@ -45,7 +45,6 @@ properties:
       # I2C-BUS INTERFACE REAL TIME CLOCK MODULE
       - epson,rx8010
       # I2C-BUS INTERFACE REAL TIME CLOCK MODULE
-      - epson,rx8025
       - epson,rx8035
       # I2C-BUS INTERFACE REAL TIME CLOCK MODULE with Battery Backed RAM
       - epson,rx8111
@@ -54,10 +53,6 @@ properties:
       - epson,rx8581
       # Android Goldfish Real-time Clock
       - google,goldfish-rtc
-      # Intersil ISL1208 Low Power RTC with Battery Backed SRAM
-      - isil,isl1208
-      # Intersil ISL1218 Low Power RTC with Battery Backed SRAM
-      - isil,isl1218
       # Mvebu Real-time Clock
       - marvell,orion-rtc
       # Maxim DS1742/DS1743 Real-time Clock
@@ -70,8 +65,6 @@ properties:
       - microcrystal,rv8523
       # NXP LPC32xx SoC Real-time Clock
       - nxp,lpc3220-rtc
-      # Real-time Clock Module
-      - pericom,pt7c4338
       # I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC
       - ricoh,r2025sd
       # I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC