Replace redundant paragraph text in library.properties

The Arduino IDE's Library Manager displays the text defined in the library.properties paragraph field immediately after the sentence text so it's not desirable to duplicate the sentence text in paragraph.

library.properties

@@ -3,8 +3,8 @@ version=1.0.0
 author=Seeed Studio
 maintainer=Seeed Studio <techsupport@seeed.cc>
 sentence=Arduino library to control Grove 3Axis Digital Accelerometer ADXL345.
-paragraph=Arduino library to control Grove 3Axis Digital Accelerometer ADXL345.
+paragraph=This is a high resolution digital accelerometer providing you at max 3.9mg/LSB resolution and large ±16g measurement range.
 category=Sensors
 url=https://github.com/Seeed-Studio/Accelerometer_ADXL345
 architectures=*
-includes=ADXL345.h
+includes=ADXL345.h