remove space (+1 squashed commit)

Squashed commits:
[fe4369f510] revert (+1 squashed commit)
Squashed commits:
[1925a2d1f1] revert (+1 squashed commit)
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[336092cd1a] feat(dependencies): bump libp2p from 2.2.6 to 2.2.7 (#6481)

* update libp2p from 2.2.6 to 2.2.7
* add pom file (+4 squashed commits)
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[d0bdaf0] revert changes
[6b14bdb] JDK 8
[d279184] modify start.sh.simple
[e24693a] update (+1 squashed commit)
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[b54aed3] revert commitee config for proposalExpireTime (+1 squashed commit)
Squashed commits:
[e132811] update config for proposalExpireTime

Author: Sunny Jiao

README.md

@@ -98,7 +98,7 @@ Make sure you operate on `Linux` or `MacOS` operating systems, other operating s
 ## Architecture
 
 ### X86_64
-Requires 64-bit version of `Oracle JDK 1.8` to be installed, other JDK versions are not supported yet.
+Requires 64-bit version of `Oracle JDK 8` to be installed, other JDK versions are not supported yet.
 
 ### ARM64
 Requires 64-bit version of `JDK 17` to be installed, other JDK versions are not supported yet.

framework/src/main/resources/config.conf

@@ -676,7 +676,7 @@ localwitness = [
 block = {
   needSyncCheck = true
   maintenanceTimeInterval = 21600000 // 6 hours: 21600000(ms)
-  proposalExpireTime = 259200000 // 3 days: 259200000(ms)
+  proposalExpireTime = 259200000 // default value: 3 days: 259200000(ms), Note: this value is controlled by committee proposal
   # checkFrozenTime = 1 // for test only
 }
 

start.sh.simple

@@ -31,8 +31,6 @@
 
 
 # adjust JVM start
-# Set the minimum heap size to 9G, adjust as needed
-VM_XMS="9G"
 # Set the maximum heap size to 9G, adjust as needed
 VM_XMX="9G"
 # adjust JVM end
@@ -131,7 +129,7 @@ startService() {
   fi
 
   nohup "$JAVACMD" \
-    -Xms"$VM_XMS" -Xmx"$VM_XMX" \
+    -Xmx"$VM_XMX" \
     -XX:+UseZGC \
     -Xlog:gc,gc+heap:file=gc.log:time,tags,level:filecount=10,filesize=100M \
     -XX:ReservedCodeCacheSize=256m \